81381550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1429}}^1$

素因数の和:1525

約数の個数: 48

約数和(自身を含む): 162779760

約数和(自身を除く): 81398210

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 67, 85, 134, 170, 335, 425, 670, 850, 1139, 1429, 1675, 2278, 2858, 3350, 5695, 7145, 11390, 14290, 24293, 28475, 35725, 48586, 56950, 71450, 95743, 121465, 191486, 242930, 478715, 607325, 957430, 1214650, 1627631, 2393575, 3255262, 4787150, 8138155, 16276310, 40690775, 81381550]

約数ペア:

[(1, 81381550), (2, 40690775), (5, 16276310), (10, 8138155), (17, 4787150), (25, 3255262), (34, 2393575), (50, 1627631), (67, 1214650), (85, 957430), (134, 607325), (170, 478715), (335, 242930), (425, 191486), (670, 121465), (850, 95743), (1139, 71450), (1429, 56950), (1675, 48586), (2278, 35725), (2858, 28475), (3350, 24293), (5695, 14290), (7145, 11390)]