7345660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 17902080

約数和(自身を除く): 10556420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 739, 994, 1420, 1478, 1988, 2485, 2956, 3695, 4970, 5173, 7390, 9940, 10346, 14780, 20692, 25865, 51730, 52469, 103460, 104938, 209876, 262345, 367283, 524690, 734566, 1049380, 1469132, 1836415, 3672830, 7345660]

約数ペア:

[(1, 7345660), (2, 3672830), (4, 1836415), (5, 1469132), (7, 1049380), (10, 734566), (14, 524690), (20, 367283), (28, 262345), (35, 209876), (70, 104938), (71, 103460), (140, 52469), (142, 51730), (284, 25865), (355, 20692), (497, 14780), (710, 10346), (739, 9940), (994, 7390), (1420, 5173), (1478, 4970), (1988, 3695), (2485, 2956)]