215428240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{92857}}^1$

素因数の和:92899

約数の個数: 40

約数和(自身を含む): 518147640

約数和(自身を除く): 302719400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 92857, 185714, 371428, 464285, 742856, 928570, 1485712, 1857140, 2692853, 3714280, 5385706, 7428560, 10771412, 13464265, 21542824, 26928530, 43085648, 53857060, 107714120, 215428240]

約数ペア:

[(1, 215428240), (2, 107714120), (4, 53857060), (5, 43085648), (8, 26928530), (10, 21542824), (16, 13464265), (20, 10771412), (29, 7428560), (40, 5385706), (58, 3714280), (80, 2692853), (116, 1857140), (145, 1485712), (232, 928570), (290, 742856), (464, 464285), (580, 371428), (1160, 185714), (2320, 92857)]