669525220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{52553}}^1$

素因数の和:52589

約数の個数: 72

約数和(自身を含む): 1761399864

約数和(自身を除く): 1091874644

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 52553, 105106, 210212, 262765, 367871, 525530, 683189, 735742, 1051060, 1366378, 1471484, 1839355, 2575097, 2732756, 3415945, 3678710, 4782323, 5150194, 6831890, 7357420, 9564646, 10300388, 12875485, 13663780, 19129292, 23911615, 25750970, 33476261, 47823230, 51501940, 66952522, 95646460, 133905044, 167381305, 334762610, 669525220]

約数ペア:

[(1, 669525220), (2, 334762610), (4, 167381305), (5, 133905044), (7, 95646460), (10, 66952522), (13, 51501940), (14, 47823230), (20, 33476261), (26, 25750970), (28, 23911615), (35, 19129292), (49, 13663780), (52, 12875485), (65, 10300388), (70, 9564646), (91, 7357420), (98, 6831890), (130, 5150194), (140, 4782323), (182, 3678710), (196, 3415945), (245, 2732756), (260, 2575097), (364, 1839355), (455, 1471484), (490, 1366378), (637, 1051060), (910, 735742), (980, 683189), (1274, 525530), (1820, 367871), (2548, 262765), (3185, 210212), (6370, 105106), (12740, 52553)]