68626460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 168920640

約数和(自身を除く): 100294180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 239, 245, 293, 478, 490, 586, 956, 980, 1172, 1195, 1465, 1673, 2051, 2390, 2930, 3346, 4102, 4780, 5860, 6692, 8204, 8365, 10255, 11711, 14357, 16730, 20510, 23422, 28714, 33460, 41020, 46844, 57428, 58555, 70027, 71785, 117110, 140054, 143570, 234220, 280108, 287140, 350135, 490189, 700270, 980378, 1400540, 1960756, 2450945, 3431323, 4901890, 6862646, 9803780, 13725292, 17156615, 34313230, 68626460]

約数ペア:

[(1, 68626460), (2, 34313230), (4, 17156615), (5, 13725292), (7, 9803780), (10, 6862646), (14, 4901890), (20, 3431323), (28, 2450945), (35, 1960756), (49, 1400540), (70, 980378), (98, 700270), (140, 490189), (196, 350135), (239, 287140), (245, 280108), (293, 234220), (478, 143570), (490, 140054), (586, 117110), (956, 71785), (980, 70027), (1172, 58555), (1195, 57428), (1465, 46844), (1673, 41020), (2051, 33460), (2390, 28714), (2930, 23422), (3346, 20510), (4102, 16730), (4780, 14357), (5860, 11711), (6692, 10255), (8204, 8365)]