208925860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 539607600

約数和(自身を除く): 330681740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 121, 130, 143, 145, 220, 229, 242, 260, 286, 290, 319, 377, 458, 484, 572, 580, 605, 638, 715, 754, 916, 1145, 1210, 1276, 1430, 1508, 1573, 1595, 1885, 2290, 2420, 2519, 2860, 2977, 3146, 3190, 3509, 3770, 4147, 4580, 5038, 5954, 6292, 6380, 6641, 7018, 7540, 7865, 8294, 10076, 11908, 12595, 13282, 14036, 14885, 15730, 16588, 17545, 20735, 25190, 26564, 27709, 29770, 31460, 32747, 33205, 35090, 41470, 45617, 50380, 55418, 59540, 65494, 66410, 70180, 73051, 82940, 86333, 91234, 110836, 130988, 132820, 138545, 146102, 163735, 172666, 182468, 228085, 277090, 292204, 327470, 345332, 360217, 365255, 431665, 456170, 554180, 654940, 720434, 730510, 803561, 863330, 912340, 949663, 1440868, 1461020, 1607122, 1726660, 1801085, 1899326, 3214244, 3602170, 3798652, 4017805, 4748315, 7204340, 8035610, 9496630, 10446293, 16071220, 18993260, 20892586, 41785172, 52231465, 104462930, 208925860]

約数ペア:

[(1, 208925860), (2, 104462930), (4, 52231465), (5, 41785172), (10, 20892586), (11, 18993260), (13, 16071220), (20, 10446293), (22, 9496630), (26, 8035610), (29, 7204340), (44, 4748315), (52, 4017805), (55, 3798652), (58, 3602170), (65, 3214244), (110, 1899326), (116, 1801085), (121, 1726660), (130, 1607122), (143, 1461020), (145, 1440868), (220, 949663), (229, 912340), (242, 863330), (260, 803561), (286, 730510), (290, 720434), (319, 654940), (377, 554180), (458, 456170), (484, 431665), (572, 365255), (580, 360217), (605, 345332), (638, 327470), (715, 292204), (754, 277090), (916, 228085), (1145, 182468), (1210, 172666), (1276, 163735), (1430, 146102), (1508, 138545), (1573, 132820), (1595, 130988), (1885, 110836), (2290, 91234), (2420, 86333), (2519, 82940), (2860, 73051), (2977, 70180), (3146, 66410), (3190, 65494), (3509, 59540), (3770, 55418), (4147, 50380), (4580, 45617), (5038, 41470), (5954, 35090), (6292, 33205), (6380, 32747), (6641, 31460), (7018, 29770), (7540, 27709), (7865, 26564), (8294, 25190), (10076, 20735), (11908, 17545), (12595, 16588), (13282, 15730), (14036, 14885)]