351920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 40

約数和(自身を含む): 843696

約数和(自身を除く): 491776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 83, 106, 166, 212, 265, 332, 415, 424, 530, 664, 830, 848, 1060, 1328, 1660, 2120, 3320, 4240, 4399, 6640, 8798, 17596, 21995, 35192, 43990, 70384, 87980, 175960, 351920]

約数ペア:

[(1, 351920), (2, 175960), (4, 87980), (5, 70384), (8, 43990), (10, 35192), (16, 21995), (20, 17596), (40, 8798), (53, 6640), (80, 4399), (83, 4240), (106, 3320), (166, 2120), (212, 1660), (265, 1328), (332, 1060), (415, 848), (424, 830), (530, 664)]