7464940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 18192384

約数和(自身を除く): 10727444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 751, 994, 1420, 1502, 1988, 2485, 3004, 3755, 4970, 5257, 7510, 9940, 10514, 15020, 21028, 26285, 52570, 53321, 105140, 106642, 213284, 266605, 373247, 533210, 746494, 1066420, 1492988, 1866235, 3732470, 7464940]

約数ペア:

[(1, 7464940), (2, 3732470), (4, 1866235), (5, 1492988), (7, 1066420), (10, 746494), (14, 533210), (20, 373247), (28, 266605), (35, 213284), (70, 106642), (71, 105140), (140, 53321), (142, 52570), (284, 26285), (355, 21028), (497, 15020), (710, 10514), (751, 9940), (994, 7510), (1420, 5257), (1502, 4970), (1988, 3755), (2485, 3004)]