54687700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 126554400

約数和(自身を除く): 71866700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 107, 190, 214, 269, 380, 428, 475, 535, 538, 950, 1070, 1076, 1345, 1900, 2033, 2140, 2675, 2690, 4066, 5111, 5350, 5380, 6725, 8132, 10165, 10222, 10700, 13450, 20330, 20444, 25555, 26900, 28783, 40660, 50825, 51110, 57566, 101650, 102220, 115132, 127775, 143915, 203300, 255550, 287830, 511100, 546877, 575660, 719575, 1093754, 1439150, 2187508, 2734385, 2878300, 5468770, 10937540, 13671925, 27343850, 54687700]

約数ペア:

[(1, 54687700), (2, 27343850), (4, 13671925), (5, 10937540), (10, 5468770), (19, 2878300), (20, 2734385), (25, 2187508), (38, 1439150), (50, 1093754), (76, 719575), (95, 575660), (100, 546877), (107, 511100), (190, 287830), (214, 255550), (269, 203300), (380, 143915), (428, 127775), (475, 115132), (535, 102220), (538, 101650), (950, 57566), (1070, 51110), (1076, 50825), (1345, 40660), (1900, 28783), (2033, 26900), (2140, 25555), (2675, 20444), (2690, 20330), (4066, 13450), (5111, 10700), (5350, 10222), (5380, 10165), (6725, 8132)]