407996875

素因数分解:

$5^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 610929648

約数和(自身を除く): 202932773

約数列:

[1, 5, 11, 13, 25, 55, 65, 83, 121, 125, 143, 275, 325, 415, 605, 625, 715, 913, 1079, 1375, 1573, 1625, 2075, 3025, 3125, 3575, 4565, 5395, 6875, 7865, 8125, 10043, 10375, 11869, 15125, 17875, 22825, 26975, 34375, 39325, 40625, 50215, 51875, 59345, 75625, 89375, 114125, 130559, 134875, 196625, 251075, 259375, 296725, 378125, 446875, 570625, 652795, 674375, 983125, 1255375, 1483625, 2853125, 3263975, 3371875, 4915625, 6276875, 7418125, 16319875, 31384375, 37090625, 81599375, 407996875]

約数ペア:

[(1, 407996875), (5, 81599375), (11, 37090625), (13, 31384375), (25, 16319875), (55, 7418125), (65, 6276875), (83, 4915625), (121, 3371875), (125, 3263975), (143, 2853125), (275, 1483625), (325, 1255375), (415, 983125), (605, 674375), (625, 652795), (715, 570625), (913, 446875), (1079, 378125), (1375, 296725), (1573, 259375), (1625, 251075), (2075, 196625), (3025, 134875), (3125, 130559), (3575, 114125), (4565, 89375), (5395, 75625), (6875, 59345), (7865, 51875), (8125, 50215), (10043, 40625), (10375, 39325), (11869, 34375), (15125, 26975), (17875, 22825)]