28795580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 67791696

約数和(自身を除く): 38996116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 163, 220, 242, 292, 326, 365, 484, 605, 652, 730, 803, 815, 1210, 1460, 1606, 1630, 1793, 2420, 3212, 3260, 3586, 4015, 7172, 8030, 8833, 8965, 11899, 16060, 17666, 17930, 19723, 23798, 35332, 35860, 39446, 44165, 47596, 59495, 78892, 88330, 98615, 118990, 130889, 176660, 197230, 237980, 261778, 394460, 523556, 654445, 1308890, 1439779, 2617780, 2879558, 5759116, 7198895, 14397790, 28795580]

約数ペア:

[(1, 28795580), (2, 14397790), (4, 7198895), (5, 5759116), (10, 2879558), (11, 2617780), (20, 1439779), (22, 1308890), (44, 654445), (55, 523556), (73, 394460), (110, 261778), (121, 237980), (146, 197230), (163, 176660), (220, 130889), (242, 118990), (292, 98615), (326, 88330), (365, 78892), (484, 59495), (605, 47596), (652, 44165), (730, 39446), (803, 35860), (815, 35332), (1210, 23798), (1460, 19723), (1606, 17930), (1630, 17666), (1793, 16060), (2420, 11899), (3212, 8965), (3260, 8833), (3586, 8030), (4015, 7172)]