307307920

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{6823}}^1$

素因数の和:7399

約数の個数: 40

約数和(自身を含む): 715864896

約数和(自身を除く): 408556976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 5630, 6823, 9008, 11260, 13646, 22520, 27292, 34115, 45040, 54584, 68230, 109168, 136460, 272920, 545840, 3841349, 7682698, 15365396, 19206745, 30730792, 38413490, 61461584, 76826980, 153653960, 307307920]

約数ペア:

[(1, 307307920), (2, 153653960), (4, 76826980), (5, 61461584), (8, 38413490), (10, 30730792), (16, 19206745), (20, 15365396), (40, 7682698), (80, 3841349), (563, 545840), (1126, 272920), (2252, 136460), (2815, 109168), (4504, 68230), (5630, 54584), (6823, 45040), (9008, 34115), (11260, 27292), (13646, 22520)]