2879656840

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 6528913920

約数和(自身を除く): 3649257080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 421, 542, 631, 842, 1084, 1262, 1355, 1684, 2105, 2168, 2524, 2710, 3155, 3368, 4210, 5048, 5420, 6310, 8420, 10840, 12620, 16840, 25240, 114091, 171001, 228182, 265651, 342002, 456364, 531302, 570455, 684004, 855005, 912728, 1062604, 1140910, 1328255, 1368008, 1710010, 2125208, 2281820, 2656510, 3420020, 4563640, 5313020, 6840040, 10626040, 71991421, 143982842, 287965684, 359957105, 575931368, 719914210, 1439828420, 2879656840]

約数ペア:

[(1, 2879656840), (2, 1439828420), (4, 719914210), (5, 575931368), (8, 359957105), (10, 287965684), (20, 143982842), (40, 71991421), (271, 10626040), (421, 6840040), (542, 5313020), (631, 4563640), (842, 3420020), (1084, 2656510), (1262, 2281820), (1355, 2125208), (1684, 1710010), (2105, 1368008), (2168, 1328255), (2524, 1140910), (2710, 1062604), (3155, 912728), (3368, 855005), (4210, 684004), (5048, 570455), (5420, 531302), (6310, 456364), (8420, 342002), (10840, 265651), (12620, 228182), (16840, 171001), (25240, 114091)]