840880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 2044512

約数和(自身を除く): 1203632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 457, 460, 914, 920, 1828, 1840, 2285, 3656, 4570, 7312, 9140, 10511, 18280, 21022, 36560, 42044, 52555, 84088, 105110, 168176, 210220, 420440, 840880]

約数ペア:

[(1, 840880), (2, 420440), (4, 210220), (5, 168176), (8, 105110), (10, 84088), (16, 52555), (20, 42044), (23, 36560), (40, 21022), (46, 18280), (80, 10511), (92, 9140), (115, 7312), (184, 4570), (230, 3656), (368, 2285), (457, 1840), (460, 1828), (914, 920)]