565563025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 761112000

約数和(自身を除く): 195548975

約数列:

[1, 5, 19, 25, 61, 95, 131, 149, 305, 475, 655, 745, 1159, 1525, 2489, 2831, 3275, 3725, 5795, 7991, 9089, 12445, 14155, 19519, 28975, 39955, 45445, 62225, 70775, 97595, 151829, 172691, 199775, 227225, 370861, 487975, 759145, 863455, 1190659, 1854305, 3795725, 4317275, 5953295, 9271525, 22622521, 29766475, 113112605, 565563025]

約数ペア:

[(1, 565563025), (5, 113112605), (19, 29766475), (25, 22622521), (61, 9271525), (95, 5953295), (131, 4317275), (149, 3795725), (305, 1854305), (475, 1190659), (655, 863455), (745, 759145), (1159, 487975), (1525, 370861), (2489, 227225), (2831, 199775), (3275, 172691), (3725, 151829), (5795, 97595), (7991, 70775), (9089, 62225), (12445, 45445), (14155, 39955), (19519, 28975)]