64439450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2339}}^1$

素因数の和:2399

約数の個数: 48

約数和(自身を含む): 130572000

約数和(自身を除く): 66132550

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1102, 1450, 2339, 2755, 4678, 5510, 11695, 13775, 23390, 27550, 44441, 58475, 67831, 88882, 116950, 135662, 222205, 339155, 444410, 678310, 1111025, 1288789, 1695775, 2222050, 2577578, 3391550, 6443945, 12887890, 32219725, 64439450]

約数ペア:

[(1, 64439450), (2, 32219725), (5, 12887890), (10, 6443945), (19, 3391550), (25, 2577578), (29, 2222050), (38, 1695775), (50, 1288789), (58, 1111025), (95, 678310), (145, 444410), (190, 339155), (290, 222205), (475, 135662), (551, 116950), (725, 88882), (950, 67831), (1102, 58475), (1450, 44441), (2339, 27550), (2755, 23390), (4678, 13775), (5510, 11695)]