72405890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{4217}}^1$

素因数の和:4342

約数の個数: 32

約数和(自身を含む): 139396464

約数和(自身を除く): 66990574

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 505, 1010, 1717, 3434, 4217, 8434, 8585, 17170, 21085, 42170, 71689, 143378, 358445, 425917, 716890, 851834, 2129585, 4259170, 7240589, 14481178, 36202945, 72405890]

約数ペア:

[(1, 72405890), (2, 36202945), (5, 14481178), (10, 7240589), (17, 4259170), (34, 2129585), (85, 851834), (101, 716890), (170, 425917), (202, 358445), (505, 143378), (1010, 71689), (1717, 42170), (3434, 21085), (4217, 17170), (8434, 8585)]