7840380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 22125600

約数和(自身を除く): 14285220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 877, 894, 1490, 1754, 1788, 2235, 2631, 2980, 3508, 4385, 4470, 5262, 8770, 8940, 10524, 13155, 17540, 26310, 52620, 130673, 261346, 392019, 522692, 653365, 784038, 1306730, 1568076, 1960095, 2613460, 3920190, 7840380]

約数ペア:

[(1, 7840380), (2, 3920190), (3, 2613460), (4, 1960095), (5, 1568076), (6, 1306730), (10, 784038), (12, 653365), (15, 522692), (20, 392019), (30, 261346), (60, 130673), (149, 52620), (298, 26310), (447, 17540), (596, 13155), (745, 10524), (877, 8940), (894, 8770), (1490, 5262), (1754, 4470), (1788, 4385), (2235, 3508), (2631, 2980)]