109999400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{78571}}^1$

素因数の和:78594

約数の個数: 48

約数和(自身を含む): 292287840

約数和(自身を除く): 182288440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 78571, 157142, 314284, 392855, 549997, 628568, 785710, 1099994, 1571420, 1964275, 2199988, 2749985, 3142840, 3928550, 4399976, 5499970, 7857100, 10999940, 13749925, 15714200, 21999880, 27499850, 54999700, 109999400]

約数ペア:

[(1, 109999400), (2, 54999700), (4, 27499850), (5, 21999880), (7, 15714200), (8, 13749925), (10, 10999940), (14, 7857100), (20, 5499970), (25, 4399976), (28, 3928550), (35, 3142840), (40, 2749985), (50, 2199988), (56, 1964275), (70, 1571420), (100, 1099994), (140, 785710), (175, 628568), (200, 549997), (280, 392855), (350, 314284), (700, 157142), (1400, 78571)]