198219780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:535

約数の個数: 216

約数和(自身を含む): 697132800

約数和(自身を除く): 498913020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 121, 132, 165, 171, 180, 190, 198, 209, 220, 228, 242, 285, 330, 342, 363, 380, 396, 418, 479, 484, 495, 570, 605, 627, 660, 684, 726, 836, 855, 958, 990, 1045, 1089, 1140, 1210, 1254, 1437, 1452, 1710, 1815, 1881, 1916, 1980, 2090, 2178, 2299, 2395, 2420, 2508, 2874, 3135, 3420, 3630, 3762, 4180, 4311, 4356, 4598, 4790, 5269, 5445, 5748, 6270, 6897, 7185, 7260, 7524, 8622, 9101, 9196, 9405, 9580, 10538, 10890, 11495, 12540, 13794, 14370, 15807, 17244, 18202, 18810, 20691, 21076, 21555, 21780, 22990, 26345, 27303, 27588, 28740, 31614, 34485, 36404, 37620, 41382, 43110, 45505, 45980, 47421, 52690, 54606, 57959, 63228, 68970, 79035, 81909, 82764, 86220, 91010, 94842, 100111, 103455, 105380, 109212, 115918, 136515, 137940, 158070, 163818, 173877, 182020, 189684, 200222, 206910, 231836, 237105, 273030, 289795, 300333, 316140, 327636, 347754, 400444, 409545, 413820, 474210, 500555, 521631, 546060, 579590, 600666, 695508, 819090, 869385, 900999, 948420, 1001110, 1043262, 1101221, 1159180, 1201332, 1501665, 1638180, 1738770, 1801998, 2002220, 2086524, 2202442, 2608155, 3003330, 3303663, 3477540, 3603996, 4404884, 4504995, 5216310, 5506105, 6006660, 6607326, 9009990, 9910989, 10432620, 11012210, 13214652, 16518315, 18019980, 19821978, 22024420, 33036630, 39643956, 49554945, 66073260, 99109890, 198219780]

約数ペア:

[(1, 198219780), (2, 99109890), (3, 66073260), (4, 49554945), (5, 39643956), (6, 33036630), (9, 22024420), (10, 19821978), (11, 18019980), (12, 16518315), (15, 13214652), (18, 11012210), (19, 10432620), (20, 9910989), (22, 9009990), (30, 6607326), (33, 6006660), (36, 5506105), (38, 5216310), (44, 4504995), (45, 4404884), (55, 3603996), (57, 3477540), (60, 3303663), (66, 3003330), (76, 2608155), (90, 2202442), (95, 2086524), (99, 2002220), (110, 1801998), (114, 1738770), (121, 1638180), (132, 1501665), (165, 1201332), (171, 1159180), (180, 1101221), (190, 1043262), (198, 1001110), (209, 948420), (220, 900999), (228, 869385), (242, 819090), (285, 695508), (330, 600666), (342, 579590), (363, 546060), (380, 521631), (396, 500555), (418, 474210), (479, 413820), (484, 409545), (495, 400444), (570, 347754), (605, 327636), (627, 316140), (660, 300333), (684, 289795), (726, 273030), (836, 237105), (855, 231836), (958, 206910), (990, 200222), (1045, 189684), (1089, 182020), (1140, 173877), (1210, 163818), (1254, 158070), (1437, 137940), (1452, 136515), (1710, 115918), (1815, 109212), (1881, 105380), (1916, 103455), (1980, 100111), (2090, 94842), (2178, 91010), (2299, 86220), (2395, 82764), (2420, 81909), (2508, 79035), (2874, 68970), (3135, 63228), (3420, 57959), (3630, 54606), (3762, 52690), (4180, 47421), (4311, 45980), (4356, 45505), (4598, 43110), (4790, 41382), (5269, 37620), (5445, 36404), (5748, 34485), (6270, 31614), (6897, 28740), (7185, 27588), (7260, 27303), (7524, 26345), (8622, 22990), (9101, 21780), (9196, 21555), (9405, 21076), (9580, 20691), (10538, 18810), (10890, 18202), (11495, 17244), (12540, 15807), (13794, 14370)]