287252940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{368273}}^1$

素因数の和:368298

約数の個数: 48

約数和(自身を含む): 866180448

約数和(自身を除く): 578927508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 368273, 736546, 1104819, 1473092, 1841365, 2209638, 3682730, 4419276, 4787549, 5524095, 7365460, 9575098, 11048190, 14362647, 19150196, 22096380, 23937745, 28725294, 47875490, 57450588, 71813235, 95750980, 143626470, 287252940]

約数ペア:

[(1, 287252940), (2, 143626470), (3, 95750980), (4, 71813235), (5, 57450588), (6, 47875490), (10, 28725294), (12, 23937745), (13, 22096380), (15, 19150196), (20, 14362647), (26, 11048190), (30, 9575098), (39, 7365460), (52, 5524095), (60, 4787549), (65, 4419276), (78, 3682730), (130, 2209638), (156, 1841365), (195, 1473092), (260, 1104819), (390, 736546), (780, 368273)]