2217428140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{6421}}^1$

素因数の和:7018

約数の個数: 48

約数和(自身を含む): 4816191744

約数和(自身を除く): 2598763604

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 557, 620, 1114, 2228, 2785, 5570, 6421, 11140, 12842, 17267, 25684, 32105, 34534, 64210, 69068, 86335, 128420, 172670, 199051, 345340, 398102, 796204, 995255, 1990510, 3576497, 3981020, 7152994, 14305988, 17882485, 35764970, 71529940, 110871407, 221742814, 443485628, 554357035, 1108714070, 2217428140]

約数ペア:

[(1, 2217428140), (2, 1108714070), (4, 554357035), (5, 443485628), (10, 221742814), (20, 110871407), (31, 71529940), (62, 35764970), (124, 17882485), (155, 14305988), (310, 7152994), (557, 3981020), (620, 3576497), (1114, 1990510), (2228, 995255), (2785, 796204), (5570, 398102), (6421, 345340), (11140, 199051), (12842, 172670), (17267, 128420), (25684, 86335), (32105, 69068), (34534, 64210)]