1500021740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{71909}}^1$

素因数の和:72074

約数の個数: 48

約数和(自身を含む): 3624264000

約数和(自身を除く): 2124242260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 71909, 143818, 287636, 359545, 503363, 719090, 1006726, 1438180, 2013452, 2516815, 5033630, 10067260, 10714441, 21428882, 42857764, 53572205, 75001087, 107144410, 150002174, 214288820, 300004348, 375005435, 750010870, 1500021740]

約数ペア:

[(1, 1500021740), (2, 750010870), (4, 375005435), (5, 300004348), (7, 214288820), (10, 150002174), (14, 107144410), (20, 75001087), (28, 53572205), (35, 42857764), (70, 21428882), (140, 10714441), (149, 10067260), (298, 5033630), (596, 2516815), (745, 2013452), (1043, 1438180), (1490, 1006726), (2086, 719090), (2980, 503363), (4172, 359545), (5215, 287636), (10430, 143818), (20860, 71909)]