657679960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1093}}^1$

素因数の和:1425

約数の個数: 96

約数和(自身を含む): 1728563760

約数和(自身を除く): 1070883800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 307, 392, 490, 614, 980, 1093, 1228, 1535, 1960, 2149, 2186, 2456, 3070, 4298, 4372, 5465, 6140, 7651, 8596, 8744, 10745, 10930, 12280, 15043, 15302, 17192, 21490, 21860, 30086, 30604, 38255, 42980, 43720, 53557, 60172, 61208, 75215, 76510, 85960, 107114, 120344, 150430, 153020, 214228, 267785, 300860, 306040, 335551, 428456, 535570, 601720, 671102, 1071140, 1342204, 1677755, 2142280, 2348857, 2684408, 3355510, 4697714, 6711020, 9395428, 11744285, 13422040, 16441999, 18790856, 23488570, 32883998, 46977140, 65767996, 82209995, 93954280, 131535992, 164419990, 328839980, 657679960]

約数ペア:

[(1, 657679960), (2, 328839980), (4, 164419990), (5, 131535992), (7, 93954280), (8, 82209995), (10, 65767996), (14, 46977140), (20, 32883998), (28, 23488570), (35, 18790856), (40, 16441999), (49, 13422040), (56, 11744285), (70, 9395428), (98, 6711020), (140, 4697714), (196, 3355510), (245, 2684408), (280, 2348857), (307, 2142280), (392, 1677755), (490, 1342204), (614, 1071140), (980, 671102), (1093, 601720), (1228, 535570), (1535, 428456), (1960, 335551), (2149, 306040), (2186, 300860), (2456, 267785), (3070, 214228), (4298, 153020), (4372, 150430), (5465, 120344), (6140, 107114), (7651, 85960), (8596, 76510), (8744, 75215), (10745, 61208), (10930, 60172), (12280, 53557), (15043, 43720), (15302, 42980), (17192, 38255), (21490, 30604), (21860, 30086)]