2920580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 6773760

約数和(自身を除く): 3853180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 239, 260, 470, 478, 611, 940, 956, 1195, 1222, 2390, 2444, 3055, 3107, 4780, 6110, 6214, 11233, 12220, 12428, 15535, 22466, 31070, 44932, 56165, 62140, 112330, 146029, 224660, 292058, 584116, 730145, 1460290, 2920580]

約数ペア:

[(1, 2920580), (2, 1460290), (4, 730145), (5, 584116), (10, 292058), (13, 224660), (20, 146029), (26, 112330), (47, 62140), (52, 56165), (65, 44932), (94, 31070), (130, 22466), (188, 15535), (235, 12428), (239, 12220), (260, 11233), (470, 6214), (478, 6110), (611, 4780), (940, 3107), (956, 3055), (1195, 2444), (1222, 2390)]