305668520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{104681}}^1$

素因数の和:104765

約数の個数: 32

約数和(自身を含む): 697182120

約数和(自身を除く): 391513600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 104681, 209362, 418724, 523405, 837448, 1046810, 2093620, 4187240, 7641713, 15283426, 30566852, 38208565, 61133704, 76417130, 152834260, 305668520]

約数ペア:

[(1, 305668520), (2, 152834260), (4, 76417130), (5, 61133704), (8, 38208565), (10, 30566852), (20, 15283426), (40, 7641713), (73, 4187240), (146, 2093620), (292, 1046810), (365, 837448), (584, 523405), (730, 418724), (1460, 209362), (2920, 104681)]