68772400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9049}}^1$

素因数の和:9086

約数の個数: 60

約数和(自身を含む): 173941000

約数和(自身を除く): 105168600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 9049, 18098, 36196, 45245, 72392, 90490, 144784, 171931, 180980, 226225, 343862, 361960, 452450, 687724, 723920, 859655, 904900, 1375448, 1719310, 1809800, 2750896, 3438620, 3619600, 4298275, 6877240, 8596550, 13754480, 17193100, 34386200, 68772400]

約数ペア:

[(1, 68772400), (2, 34386200), (4, 17193100), (5, 13754480), (8, 8596550), (10, 6877240), (16, 4298275), (19, 3619600), (20, 3438620), (25, 2750896), (38, 1809800), (40, 1719310), (50, 1375448), (76, 904900), (80, 859655), (95, 723920), (100, 687724), (152, 452450), (190, 361960), (200, 343862), (304, 226225), (380, 180980), (400, 171931), (475, 144784), (760, 90490), (950, 72392), (1520, 45245), (1900, 36196), (3800, 18098), (7600, 9049)]