400944040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33301}}^1$

素因数の和:33362

約数の個数: 64

約数和(自身を含む): 1055007360

約数和(自身を除く): 654063320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 33301, 66602, 133204, 166505, 233107, 266408, 333010, 466214, 666020, 932428, 1165535, 1332040, 1431943, 1864856, 2331070, 2863886, 4662140, 5727772, 7159715, 9324280, 10023601, 11455544, 14319430, 20047202, 28638860, 40094404, 50118005, 57277720, 80188808, 100236010, 200472020, 400944040]

約数ペア:

[(1, 400944040), (2, 200472020), (4, 100236010), (5, 80188808), (7, 57277720), (8, 50118005), (10, 40094404), (14, 28638860), (20, 20047202), (28, 14319430), (35, 11455544), (40, 10023601), (43, 9324280), (56, 7159715), (70, 5727772), (86, 4662140), (140, 2863886), (172, 2331070), (215, 1864856), (280, 1431943), (301, 1332040), (344, 1165535), (430, 932428), (602, 666020), (860, 466214), (1204, 333010), (1505, 266408), (1720, 233107), (2408, 166505), (3010, 133204), (6020, 66602), (12040, 33301)]