678631675

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^2\times {\mathrm{149}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 894027600

約数和(自身を除く): 215395925

約数列:

[1, 5, 23, 25, 89, 115, 149, 445, 575, 745, 2047, 2225, 3427, 3725, 7921, 10235, 13261, 17135, 39605, 51175, 66305, 85675, 182183, 198025, 305003, 331525, 910915, 1180229, 1525015, 4554575, 5901145, 7625075, 27145267, 29505725, 135726335, 678631675]

約数ペア:

[(1, 678631675), (5, 135726335), (23, 29505725), (25, 27145267), (89, 7625075), (115, 5901145), (149, 4554575), (445, 1525015), (575, 1180229), (745, 910915), (2047, 331525), (2225, 305003), (3427, 198025), (3725, 182183), (7921, 85675), (10235, 66305), (13261, 51175), (17135, 39605)]