128309710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20399}}^1$

素因数の和:20460

約数の個数: 32

約数和(自身を含む): 251164800

約数和(自身を除く): 122855090

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 6290, 20399, 40798, 101995, 203990, 346783, 693566, 754763, 1509526, 1733915, 3467830, 3773815, 7547630, 12830971, 25661942, 64154855, 128309710]

約数ペア:

[(1, 128309710), (2, 64154855), (5, 25661942), (10, 12830971), (17, 7547630), (34, 3773815), (37, 3467830), (74, 1733915), (85, 1509526), (170, 754763), (185, 693566), (370, 346783), (629, 203990), (1258, 101995), (3145, 40798), (6290, 20399)]