447627880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6689}}^1$

素因数の和:6946

約数の個数: 64

約数和(自身を含む): 1156032000

約数和(自身を除く): 708404120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 3346, 4780, 6689, 6692, 8365, 9560, 13378, 13384, 16730, 26756, 33445, 33460, 46823, 53512, 66890, 66920, 93646, 133780, 187292, 234115, 267560, 374584, 468230, 936460, 1598671, 1872920, 3197342, 6394684, 7993355, 11190697, 12789368, 15986710, 22381394, 31973420, 44762788, 55953485, 63946840, 89525576, 111906970, 223813940, 447627880]

約数ペア:

[(1, 447627880), (2, 223813940), (4, 111906970), (5, 89525576), (7, 63946840), (8, 55953485), (10, 44762788), (14, 31973420), (20, 22381394), (28, 15986710), (35, 12789368), (40, 11190697), (56, 7993355), (70, 6394684), (140, 3197342), (239, 1872920), (280, 1598671), (478, 936460), (956, 468230), (1195, 374584), (1673, 267560), (1912, 234115), (2390, 187292), (3346, 133780), (4780, 93646), (6689, 66920), (6692, 66890), (8365, 53512), (9560, 46823), (13378, 33460), (13384, 33445), (16730, 26756)]