199968910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{2699}}^1$

素因数の和:2976

約数の個数: 32

約数和(自身を含む): 373248000

約数和(自身を除く): 173279090

約数列:

[1, 2, 5, 10, 31, 62, 155, 239, 310, 478, 1195, 2390, 2699, 5398, 7409, 13495, 14818, 26990, 37045, 74090, 83669, 167338, 418345, 645061, 836690, 1290122, 3225305, 6450610, 19996891, 39993782, 99984455, 199968910]

約数ペア:

[(1, 199968910), (2, 99984455), (5, 39993782), (10, 19996891), (31, 6450610), (62, 3225305), (155, 1290122), (239, 836690), (310, 645061), (478, 418345), (1195, 167338), (2390, 83669), (2699, 74090), (5398, 37045), (7409, 26990), (13495, 14818)]