221117820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 288

約数和(自身を含む): 822259200

約数和(自身を除く): 601141380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 121, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 229, 231, 242, 266, 285, 308, 330, 363, 380, 385, 399, 418, 420, 458, 462, 484, 532, 570, 605, 627, 660, 665, 687, 726, 770, 798, 836, 847, 916, 924, 1045, 1140, 1145, 1155, 1210, 1254, 1330, 1374, 1452, 1463, 1540, 1596, 1603, 1694, 1815, 1995, 2090, 2290, 2299, 2310, 2420, 2508, 2519, 2541, 2660, 2748, 2926, 3135, 3206, 3388, 3435, 3630, 3990, 4180, 4235, 4351, 4389, 4580, 4598, 4620, 4809, 5038, 5082, 5852, 6270, 6412, 6870, 6897, 7260, 7315, 7557, 7980, 8015, 8470, 8702, 8778, 9196, 9618, 10076, 10164, 11495, 12540, 12595, 12705, 13053, 13740, 13794, 14630, 15114, 16030, 16093, 16940, 17404, 17556, 17633, 19236, 21755, 21945, 22990, 24045, 25190, 25410, 26106, 27588, 27709, 29260, 30228, 30457, 32060, 32186, 34485, 35266, 37785, 43510, 43890, 45980, 47861, 48090, 48279, 50380, 50820, 52212, 52899, 55418, 60914, 64372, 65265, 68970, 70532, 75570, 80465, 83127, 87020, 87780, 88165, 91371, 95722, 96180, 96558, 105798, 110836, 121828, 130530, 137940, 138545, 143583, 151140, 152285, 160930, 166254, 176330, 182742, 191444, 193116, 193963, 211596, 239305, 241395, 261060, 264495, 277090, 287166, 304570, 321860, 332508, 335027, 352660, 365484, 387926, 415635, 456855, 478610, 482790, 526471, 528990, 554180, 574332, 581889, 609140, 670054, 717915, 775852, 831270, 913710, 957220, 965580, 969815, 1005081, 1052942, 1057980, 1163778, 1340108, 1435830, 1579413, 1662540, 1675135, 1827420, 1939630, 2010162, 2105884, 2327556, 2632355, 2871660, 2909445, 3158826, 3350270, 3685297, 3879260, 4020324, 5025405, 5264710, 5818890, 6317652, 6700540, 7370594, 7897065, 10050810, 10529420, 11055891, 11637780, 14741188, 15794130, 18426485, 20101620, 22111782, 31588260, 36852970, 44223564, 55279455, 73705940, 110558910, 221117820]

約数ペア:

[(1, 221117820), (2, 110558910), (3, 73705940), (4, 55279455), (5, 44223564), (6, 36852970), (7, 31588260), (10, 22111782), (11, 20101620), (12, 18426485), (14, 15794130), (15, 14741188), (19, 11637780), (20, 11055891), (21, 10529420), (22, 10050810), (28, 7897065), (30, 7370594), (33, 6700540), (35, 6317652), (38, 5818890), (42, 5264710), (44, 5025405), (55, 4020324), (57, 3879260), (60, 3685297), (66, 3350270), (70, 3158826), (76, 2909445), (77, 2871660), (84, 2632355), (95, 2327556), (105, 2105884), (110, 2010162), (114, 1939630), (121, 1827420), (132, 1675135), (133, 1662540), (140, 1579413), (154, 1435830), (165, 1340108), (190, 1163778), (209, 1057980), (210, 1052942), (220, 1005081), (228, 969815), (229, 965580), (231, 957220), (242, 913710), (266, 831270), (285, 775852), (308, 717915), (330, 670054), (363, 609140), (380, 581889), (385, 574332), (399, 554180), (418, 528990), (420, 526471), (458, 482790), (462, 478610), (484, 456855), (532, 415635), (570, 387926), (605, 365484), (627, 352660), (660, 335027), (665, 332508), (687, 321860), (726, 304570), (770, 287166), (798, 277090), (836, 264495), (847, 261060), (916, 241395), (924, 239305), (1045, 211596), (1140, 193963), (1145, 193116), (1155, 191444), (1210, 182742), (1254, 176330), (1330, 166254), (1374, 160930), (1452, 152285), (1463, 151140), (1540, 143583), (1596, 138545), (1603, 137940), (1694, 130530), (1815, 121828), (1995, 110836), (2090, 105798), (2290, 96558), (2299, 96180), (2310, 95722), (2420, 91371), (2508, 88165), (2519, 87780), (2541, 87020), (2660, 83127), (2748, 80465), (2926, 75570), (3135, 70532), (3206, 68970), (3388, 65265), (3435, 64372), (3630, 60914), (3990, 55418), (4180, 52899), (4235, 52212), (4351, 50820), (4389, 50380), (4580, 48279), (4598, 48090), (4620, 47861), (4809, 45980), (5038, 43890), (5082, 43510), (5852, 37785), (6270, 35266), (6412, 34485), (6870, 32186), (6897, 32060), (7260, 30457), (7315, 30228), (7557, 29260), (7980, 27709), (8015, 27588), (8470, 26106), (8702, 25410), (8778, 25190), (9196, 24045), (9618, 22990), (10076, 21945), (10164, 21755), (11495, 19236), (12540, 17633), (12595, 17556), (12705, 17404), (13053, 16940), (13740, 16093), (13794, 16030), (14630, 15114)]