28704830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3389}}^1$

素因数の和:3425

約数の個数: 48

約数和(自身を含む): 64925280

約数和(自身を除く): 36220450

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 3389, 4235, 6778, 8470, 16945, 23723, 33890, 37279, 47446, 74558, 118615, 186395, 237230, 260953, 372790, 410069, 521906, 820138, 1304765, 2050345, 2609530, 2870483, 4100690, 5740966, 14352415, 28704830]

約数ペア:

[(1, 28704830), (2, 14352415), (5, 5740966), (7, 4100690), (10, 2870483), (11, 2609530), (14, 2050345), (22, 1304765), (35, 820138), (55, 521906), (70, 410069), (77, 372790), (110, 260953), (121, 237230), (154, 186395), (242, 118615), (385, 74558), (605, 47446), (770, 37279), (847, 33890), (1210, 23723), (1694, 16945), (3389, 8470), (4235, 6778)]