208219960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2237}}^1$

素因数の和:2440

約数の個数: 64

約数和(自身を含む): 507578400

約数和(自身を除く): 299358440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 179, 260, 358, 520, 716, 895, 1432, 1790, 2237, 2327, 3580, 4474, 4654, 7160, 8948, 9308, 11185, 11635, 17896, 18616, 22370, 23270, 29081, 44740, 46540, 58162, 89480, 93080, 116324, 145405, 232648, 290810, 400423, 581620, 800846, 1163240, 1601692, 2002115, 3203384, 4004230, 5205499, 8008460, 10410998, 16016920, 20821996, 26027495, 41643992, 52054990, 104109980, 208219960]

約数ペア:

[(1, 208219960), (2, 104109980), (4, 52054990), (5, 41643992), (8, 26027495), (10, 20821996), (13, 16016920), (20, 10410998), (26, 8008460), (40, 5205499), (52, 4004230), (65, 3203384), (104, 2002115), (130, 1601692), (179, 1163240), (260, 800846), (358, 581620), (520, 400423), (716, 290810), (895, 232648), (1432, 145405), (1790, 116324), (2237, 93080), (2327, 89480), (3580, 58162), (4474, 46540), (4654, 44740), (7160, 29081), (8948, 23270), (9308, 22370), (11185, 18616), (11635, 17896)]