17420710

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 15082970

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 239, 370, 394, 478, 985, 1195, 1970, 2390, 7289, 8843, 14578, 17686, 36445, 44215, 47083, 72890, 88430, 94166, 235415, 470830, 1742071, 3484142, 8710355, 17420710]

約数ペア:

[(1, 17420710), (2, 8710355), (5, 3484142), (10, 1742071), (37, 470830), (74, 235415), (185, 94166), (197, 88430), (239, 72890), (370, 47083), (394, 44215), (478, 36445), (985, 17686), (1195, 14578), (1970, 8843), (2390, 7289)]