726729020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{4783}}^1$

素因数の和:4970

約数の個数: 48

約数和(自身を含む): 1562416128

約数和(自身を除く): 835687108

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 284, 355, 428, 535, 710, 1070, 1420, 2140, 4783, 7597, 9566, 15194, 19132, 23915, 30388, 37985, 47830, 75970, 95660, 151940, 339593, 511781, 679186, 1023562, 1358372, 1697965, 2047124, 2558905, 3395930, 5117810, 6791860, 10235620, 36336451, 72672902, 145345804, 181682255, 363364510, 726729020]

約数ペア:

[(1, 726729020), (2, 363364510), (4, 181682255), (5, 145345804), (10, 72672902), (20, 36336451), (71, 10235620), (107, 6791860), (142, 5117810), (214, 3395930), (284, 2558905), (355, 2047124), (428, 1697965), (535, 1358372), (710, 1023562), (1070, 679186), (1420, 511781), (2140, 339593), (4783, 151940), (7597, 95660), (9566, 75970), (15194, 47830), (19132, 37985), (23915, 30388)]