287789360

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{49279}}^1$

素因数の和:49365

約数の個数: 40

約数和(自身を含む): 678289920

約数和(自身を除く): 390500560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 49279, 98558, 197116, 246395, 394232, 492790, 788464, 985580, 1971160, 3597367, 3942320, 7194734, 14389468, 17986835, 28778936, 35973670, 57557872, 71947340, 143894680, 287789360]

約数ペア:

[(1, 287789360), (2, 143894680), (4, 71947340), (5, 57557872), (8, 35973670), (10, 28778936), (16, 17986835), (20, 14389468), (40, 7194734), (73, 3942320), (80, 3597367), (146, 1971160), (292, 985580), (365, 788464), (584, 492790), (730, 394232), (1168, 246395), (1460, 197116), (2920, 98558), (5840, 49279)]