890644570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151213}}^1$

素因数の和:151270

約数の個数: 32

約数和(自身を含む): 1741985280

約数和(自身を除く): 851340710

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 151213, 302426, 756065, 1512130, 2873047, 4687603, 5746094, 9375206, 14365235, 23438015, 28730470, 46876030, 89064457, 178128914, 445322285, 890644570]

約数ペア:

[(1, 890644570), (2, 445322285), (5, 178128914), (10, 89064457), (19, 46876030), (31, 28730470), (38, 23438015), (62, 14365235), (95, 9375206), (155, 5746094), (190, 4687603), (310, 2873047), (589, 1512130), (1178, 756065), (2945, 302426), (5890, 151213)]