148007920

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7741}}^1$

素因数の和:7993

約数の個数: 40

約数和(自身を含む): 345602880

約数和(自身を除く): 197594960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 7741, 9560, 15482, 19120, 30964, 38705, 61928, 77410, 123856, 154820, 309640, 619280, 1850099, 3700198, 7400396, 9250495, 14800792, 18500990, 29601584, 37001980, 74003960, 148007920]

約数ペア:

[(1, 148007920), (2, 74003960), (4, 37001980), (5, 29601584), (8, 18500990), (10, 14800792), (16, 9250495), (20, 7400396), (40, 3700198), (80, 1850099), (239, 619280), (478, 309640), (956, 154820), (1195, 123856), (1912, 77410), (2390, 61928), (3824, 38705), (4780, 30964), (7741, 19120), (9560, 15482)]