207969740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15497}}^1$

素因数の和:15578

約数の個数: 48

約数和(自身を含む): 484281504

約数和(自身を除く): 276311764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 15497, 30994, 61988, 77485, 154970, 170467, 309940, 340934, 681868, 852335, 945317, 1704670, 1890634, 3409340, 3781268, 4726585, 9453170, 10398487, 18906340, 20796974, 41593948, 51992435, 103984870, 207969740]

約数ペア:

[(1, 207969740), (2, 103984870), (4, 51992435), (5, 41593948), (10, 20796974), (11, 18906340), (20, 10398487), (22, 9453170), (44, 4726585), (55, 3781268), (61, 3409340), (110, 1890634), (122, 1704670), (220, 945317), (244, 852335), (305, 681868), (610, 340934), (671, 309940), (1220, 170467), (1342, 154970), (2684, 77485), (3355, 61988), (6710, 30994), (13420, 15497)]