408408040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{537379}}^1$

素因数の和:537409

約数の個数: 32

約数和(自身を含む): 967284000

約数和(自身を除く): 558875960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 537379, 1074758, 2149516, 2686895, 4299032, 5373790, 10210201, 10747580, 20420402, 21495160, 40840804, 51051005, 81681608, 102102010, 204204020, 408408040]

約数ペア:

[(1, 408408040), (2, 204204020), (4, 102102010), (5, 81681608), (8, 51051005), (10, 40840804), (19, 21495160), (20, 20420402), (38, 10747580), (40, 10210201), (76, 5373790), (95, 4299032), (152, 2686895), (190, 2149516), (380, 1074758), (760, 537379)]