208412518870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{13109}}^1$

素因数の和:13633

約数の個数: 64

約数和(自身を含む): 388007755200

約数和(自身を除く): 179595236330

約数列:

[1, 2, 5, 10, 61, 67, 122, 134, 305, 335, 389, 610, 670, 778, 1945, 3890, 4087, 8174, 13109, 20435, 23729, 26063, 26218, 40870, 47458, 52126, 65545, 118645, 130315, 131090, 237290, 260630, 799649, 878303, 1589843, 1599298, 1756606, 3179686, 3998245, 4391515, 5099401, 7949215, 7996490, 8783030, 10198802, 15898430, 25497005, 50994010, 53576483, 107152966, 267882415, 311063461, 341659867, 535764830, 622126922, 683319734, 1555317305, 1708299335, 3110634610, 3416598670, 20841251887, 41682503774, 104206259435, 208412518870]

約数ペア:

[(1, 208412518870), (2, 104206259435), (5, 41682503774), (10, 20841251887), (61, 3416598670), (67, 3110634610), (122, 1708299335), (134, 1555317305), (305, 683319734), (335, 622126922), (389, 535764830), (610, 341659867), (670, 311063461), (778, 267882415), (1945, 107152966), (3890, 53576483), (4087, 50994010), (8174, 25497005), (13109, 15898430), (20435, 10198802), (23729, 8783030), (26063, 7996490), (26218, 7949215), (40870, 5099401), (47458, 4391515), (52126, 3998245), (65545, 3179686), (118645, 1756606), (130315, 1599298), (131090, 1589843), (237290, 878303), (260630, 799649)]