39906580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 99858528

約数和(自身を除く): 59951948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 947, 980, 1204, 1505, 1894, 2107, 3010, 3788, 4214, 4735, 6020, 6629, 8428, 9470, 10535, 13258, 18940, 21070, 26516, 33145, 40721, 42140, 46403, 66290, 81442, 92806, 132580, 162884, 185612, 203605, 232015, 285047, 407210, 464030, 570094, 814420, 928060, 1140188, 1425235, 1995329, 2850470, 3990658, 5700940, 7981316, 9976645, 19953290, 39906580]

約数ペア:

[(1, 39906580), (2, 19953290), (4, 9976645), (5, 7981316), (7, 5700940), (10, 3990658), (14, 2850470), (20, 1995329), (28, 1425235), (35, 1140188), (43, 928060), (49, 814420), (70, 570094), (86, 464030), (98, 407210), (140, 285047), (172, 232015), (196, 203605), (215, 185612), (245, 162884), (301, 132580), (430, 92806), (490, 81442), (602, 66290), (860, 46403), (947, 42140), (980, 40721), (1204, 33145), (1505, 26516), (1894, 21070), (2107, 18940), (3010, 13258), (3788, 10535), (4214, 9470), (4735, 8428), (6020, 6629)]