189520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 464256

約数和(自身を除く): 274736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 103, 115, 184, 206, 230, 368, 412, 460, 515, 824, 920, 1030, 1648, 1840, 2060, 2369, 4120, 4738, 8240, 9476, 11845, 18952, 23690, 37904, 47380, 94760, 189520]

約数ペア:

[(1, 189520), (2, 94760), (4, 47380), (5, 37904), (8, 23690), (10, 18952), (16, 11845), (20, 9476), (23, 8240), (40, 4738), (46, 4120), (80, 2369), (92, 2060), (103, 1840), (115, 1648), (184, 1030), (206, 920), (230, 824), (368, 515), (412, 460)]