283396225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 422472960

約数和(自身を除く): 139076735

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 181, 389, 575, 805, 905, 1267, 1945, 2723, 4025, 4163, 4525, 6335, 8947, 9725, 13615, 20815, 29141, 31675, 44735, 62629, 68075, 70409, 104075, 145705, 223675, 313145, 352045, 492863, 728525, 1565725, 1619407, 1760225, 2464315, 8097035, 11335849, 12321575, 40485175, 56679245, 283396225]

約数ペア:

[(1, 283396225), (5, 56679245), (7, 40485175), (23, 12321575), (25, 11335849), (35, 8097035), (115, 2464315), (161, 1760225), (175, 1619407), (181, 1565725), (389, 728525), (575, 492863), (805, 352045), (905, 313145), (1267, 223675), (1945, 145705), (2723, 104075), (4025, 70409), (4163, 68075), (4525, 62629), (6335, 44735), (8947, 31675), (9725, 29141), (13615, 20815)]