8140450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 16398504

約数和(自身を除く): 8258054

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 157, 170, 305, 314, 425, 610, 785, 850, 1037, 1525, 1570, 2074, 2669, 3050, 3925, 5185, 5338, 7850, 9577, 10370, 13345, 19154, 25925, 26690, 47885, 51850, 66725, 95770, 133450, 162809, 239425, 325618, 478850, 814045, 1628090, 4070225, 8140450]

約数ペア:

[(1, 8140450), (2, 4070225), (5, 1628090), (10, 814045), (17, 478850), (25, 325618), (34, 239425), (50, 162809), (61, 133450), (85, 95770), (122, 66725), (157, 51850), (170, 47885), (305, 26690), (314, 25925), (425, 19154), (610, 13345), (785, 10370), (850, 9577), (1037, 7850), (1525, 5338), (1570, 5185), (2074, 3925), (2669, 3050)]