161815450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 312497856

約数和(自身を除く): 150682406

約数列:

[1, 2, 5, 10, 25, 43, 50, 73, 86, 146, 215, 365, 430, 730, 1031, 1075, 1825, 2062, 2150, 3139, 3650, 5155, 6278, 10310, 15695, 25775, 31390, 44333, 51550, 75263, 78475, 88666, 150526, 156950, 221665, 376315, 443330, 752630, 1108325, 1881575, 2216650, 3236309, 3763150, 6472618, 16181545, 32363090, 80907725, 161815450]

約数ペア:

[(1, 161815450), (2, 80907725), (5, 32363090), (10, 16181545), (25, 6472618), (43, 3763150), (50, 3236309), (73, 2216650), (86, 1881575), (146, 1108325), (215, 752630), (365, 443330), (430, 376315), (730, 221665), (1031, 156950), (1075, 150526), (1825, 88666), (2062, 78475), (2150, 75263), (3139, 51550), (3650, 44333), (5155, 31390), (6278, 25775), (10310, 15695)]