2496966920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{287669}}^1$

素因数の和:287718

約数の個数: 64

約数和(自身を含む): 6627916800

約数和(自身を除く): 4130949880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 287669, 575338, 1150676, 1438345, 2013683, 2301352, 2876690, 4027366, 5753380, 8054732, 8917739, 10068415, 11506760, 16109464, 17835478, 20136830, 35670956, 40273660, 44588695, 62424173, 71341912, 80547320, 89177390, 124848346, 178354780, 249696692, 312120865, 356709560, 499393384, 624241730, 1248483460, 2496966920]

約数ペア:

[(1, 2496966920), (2, 1248483460), (4, 624241730), (5, 499393384), (7, 356709560), (8, 312120865), (10, 249696692), (14, 178354780), (20, 124848346), (28, 89177390), (31, 80547320), (35, 71341912), (40, 62424173), (56, 44588695), (62, 40273660), (70, 35670956), (124, 20136830), (140, 17835478), (155, 16109464), (217, 11506760), (248, 10068415), (280, 8917739), (310, 8054732), (434, 5753380), (620, 4027366), (868, 2876690), (1085, 2301352), (1240, 2013683), (1736, 1438345), (2170, 1150676), (4340, 575338), (8680, 287669)]