268574020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{8537}}^1$

素因数の和:8581

約数の個数: 72

約数和(自身を含む): 667705752

約数和(自身を除く): 399131732

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 6292, 7865, 8537, 15730, 17074, 31460, 34148, 42685, 85370, 93907, 110981, 170740, 187814, 221962, 375628, 443924, 469535, 554905, 939070, 1032977, 1109810, 1220791, 1878140, 2065954, 2219620, 2441582, 4131908, 4883164, 5164885, 6103955, 10329770, 12207910, 13428701, 20659540, 24415820, 26857402, 53714804, 67143505, 134287010, 268574020]

約数ペア:

[(1, 268574020), (2, 134287010), (4, 67143505), (5, 53714804), (10, 26857402), (11, 24415820), (13, 20659540), (20, 13428701), (22, 12207910), (26, 10329770), (44, 6103955), (52, 5164885), (55, 4883164), (65, 4131908), (110, 2441582), (121, 2219620), (130, 2065954), (143, 1878140), (220, 1220791), (242, 1109810), (260, 1032977), (286, 939070), (484, 554905), (572, 469535), (605, 443924), (715, 375628), (1210, 221962), (1430, 187814), (1573, 170740), (2420, 110981), (2860, 93907), (3146, 85370), (6292, 42685), (7865, 34148), (8537, 31460), (15730, 17074)]