7907131480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79357}}^1$

素因数の和:79468

約数の個数: 64

約数和(自身を含む): 18512634240

約数和(自身を除く): 10605502760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 940, 1060, 1880, 2120, 2491, 4982, 9964, 12455, 19928, 24910, 49820, 79357, 99640, 158714, 317428, 396785, 634856, 793570, 1587140, 3174280, 3729779, 4205921, 7459558, 8411842, 14919116, 16823684, 18648895, 21029605, 29838232, 33647368, 37297790, 42059210, 74595580, 84118420, 149191160, 168236840, 197678287, 395356574, 790713148, 988391435, 1581426296, 1976782870, 3953565740, 7907131480]

約数ペア:

[(1, 7907131480), (2, 3953565740), (4, 1976782870), (5, 1581426296), (8, 988391435), (10, 790713148), (20, 395356574), (40, 197678287), (47, 168236840), (53, 149191160), (94, 84118420), (106, 74595580), (188, 42059210), (212, 37297790), (235, 33647368), (265, 29838232), (376, 21029605), (424, 18648895), (470, 16823684), (530, 14919116), (940, 8411842), (1060, 7459558), (1880, 4205921), (2120, 3729779), (2491, 3174280), (4982, 1587140), (9964, 793570), (12455, 634856), (19928, 396785), (24910, 317428), (49820, 158714), (79357, 99640)]