201895725125

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{281}}^1\times {\mathrm{19889}}^1$

素因数の和:20219

約数の個数: 48

約数和(自身を含む): 268625270160

約数和(自身を除く): 66729545035

約数列:

[1, 5, 17, 25, 85, 125, 281, 289, 425, 1405, 1445, 2125, 4777, 7025, 7225, 19889, 23885, 35125, 36125, 81209, 99445, 119425, 338113, 406045, 497225, 597125, 1690565, 2030225, 2486125, 5588809, 5747921, 8452825, 10151125, 27944045, 28739605, 42264125, 95009753, 139720225, 143698025, 475048765, 698601125, 718490125, 1615165801, 2375243825, 8075829005, 11876219125, 40379145025, 201895725125]

約数ペア:

[(1, 201895725125), (5, 40379145025), (17, 11876219125), (25, 8075829005), (85, 2375243825), (125, 1615165801), (281, 718490125), (289, 698601125), (425, 475048765), (1405, 143698025), (1445, 139720225), (2125, 95009753), (4777, 42264125), (7025, 28739605), (7225, 27944045), (19889, 10151125), (23885, 8452825), (35125, 5747921), (36125, 5588809), (81209, 2486125), (99445, 2030225), (119425, 1690565), (338113, 597125), (406045, 497225)]