7804580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 18942336

約数和(自身を除く): 11137756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 521, 535, 749, 1042, 1070, 1498, 2084, 2140, 2605, 2996, 3647, 3745, 5210, 7294, 7490, 10420, 14588, 14980, 18235, 36470, 55747, 72940, 111494, 222988, 278735, 390229, 557470, 780458, 1114940, 1560916, 1951145, 3902290, 7804580]

約数ペア:

[(1, 7804580), (2, 3902290), (4, 1951145), (5, 1560916), (7, 1114940), (10, 780458), (14, 557470), (20, 390229), (28, 278735), (35, 222988), (70, 111494), (107, 72940), (140, 55747), (214, 36470), (428, 18235), (521, 14980), (535, 14588), (749, 10420), (1042, 7490), (1070, 7294), (1498, 5210), (2084, 3745), (2140, 3647), (2605, 2996)]