65734940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 142784544

約数和(自身を除く): 77049604

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 211, 370, 421, 422, 740, 842, 844, 1055, 1684, 2105, 2110, 4210, 4220, 7807, 8420, 15577, 15614, 31154, 31228, 39035, 62308, 77885, 78070, 88831, 155770, 156140, 177662, 311540, 355324, 444155, 888310, 1776620, 3286747, 6573494, 13146988, 16433735, 32867470, 65734940]

約数ペア:

[(1, 65734940), (2, 32867470), (4, 16433735), (5, 13146988), (10, 6573494), (20, 3286747), (37, 1776620), (74, 888310), (148, 444155), (185, 355324), (211, 311540), (370, 177662), (421, 156140), (422, 155770), (740, 88831), (842, 78070), (844, 77885), (1055, 62308), (1684, 39035), (2105, 31228), (2110, 31154), (4210, 15614), (4220, 15577), (7807, 8420)]