29680840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1582

約数の個数: 64

約数和(自身を含む): 77448960

約数和(自身を除く): 47768120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1493, 1988, 2485, 2840, 2986, 3976, 4970, 5972, 7465, 9940, 10451, 11944, 14930, 19880, 20902, 29860, 41804, 52255, 59720, 83608, 104510, 106003, 209020, 212006, 418040, 424012, 530015, 742021, 848024, 1060030, 1484042, 2120060, 2968084, 3710105, 4240120, 5936168, 7420210, 14840420, 29680840]

約数ペア:

[(1, 29680840), (2, 14840420), (4, 7420210), (5, 5936168), (7, 4240120), (8, 3710105), (10, 2968084), (14, 2120060), (20, 1484042), (28, 1060030), (35, 848024), (40, 742021), (56, 530015), (70, 424012), (71, 418040), (140, 212006), (142, 209020), (280, 106003), (284, 104510), (355, 83608), (497, 59720), (568, 52255), (710, 41804), (994, 29860), (1420, 20902), (1493, 19880), (1988, 14930), (2485, 11944), (2840, 10451), (2986, 9940), (3976, 7465), (4970, 5972)]