355864240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{72923}}^1$

素因数の和:72997

約数の個数: 40

約数和(自身を含む): 840959568

約数和(自身を除く): 485095328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 72923, 145846, 291692, 364615, 583384, 729230, 1166768, 1458460, 2916920, 4448303, 5833840, 8896606, 17793212, 22241515, 35586424, 44483030, 71172848, 88966060, 177932120, 355864240]

約数ペア:

[(1, 355864240), (2, 177932120), (4, 88966060), (5, 71172848), (8, 44483030), (10, 35586424), (16, 22241515), (20, 17793212), (40, 8896606), (61, 5833840), (80, 4448303), (122, 2916920), (244, 1458460), (305, 1166768), (488, 729230), (610, 583384), (976, 364615), (1220, 291692), (2440, 145846), (4880, 72923)]