72685925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 104160000

約数和(自身を除く): 31474075

約数列:

[1, 5, 13, 19, 25, 65, 79, 95, 149, 247, 325, 395, 475, 745, 1027, 1235, 1501, 1937, 1975, 2831, 3725, 5135, 6175, 7505, 9685, 11771, 14155, 19513, 25675, 36803, 37525, 48425, 58855, 70775, 97565, 153023, 184015, 223649, 294275, 487825, 765115, 920075, 1118245, 2907437, 3825575, 5591225, 14537185, 72685925]

約数ペア:

[(1, 72685925), (5, 14537185), (13, 5591225), (19, 3825575), (25, 2907437), (65, 1118245), (79, 920075), (95, 765115), (149, 487825), (247, 294275), (325, 223649), (395, 184015), (475, 153023), (745, 97565), (1027, 70775), (1235, 58855), (1501, 48425), (1937, 37525), (1975, 36803), (2831, 25675), (3725, 19513), (5135, 14155), (6175, 11771), (7505, 9685)]