7351240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 18164160

約数和(自身を除く): 10812920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 211, 260, 268, 335, 422, 520, 536, 670, 844, 871, 1055, 1340, 1688, 1742, 2110, 2680, 2743, 3484, 4220, 4355, 5486, 6968, 8440, 8710, 10972, 13715, 14137, 17420, 21944, 27430, 28274, 34840, 54860, 56548, 70685, 109720, 113096, 141370, 183781, 282740, 367562, 565480, 735124, 918905, 1470248, 1837810, 3675620, 7351240]

約数ペア:

[(1, 7351240), (2, 3675620), (4, 1837810), (5, 1470248), (8, 918905), (10, 735124), (13, 565480), (20, 367562), (26, 282740), (40, 183781), (52, 141370), (65, 113096), (67, 109720), (104, 70685), (130, 56548), (134, 54860), (211, 34840), (260, 28274), (268, 27430), (335, 21944), (422, 17420), (520, 14137), (536, 13715), (670, 10972), (844, 8710), (871, 8440), (1055, 6968), (1340, 5486), (1688, 4355), (1742, 4220), (2110, 3484), (2680, 2743)]