488720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 1171800

約数和(自身を除く): 683080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 149, 164, 205, 298, 328, 410, 596, 656, 745, 820, 1192, 1490, 1640, 2384, 2980, 3280, 5960, 6109, 11920, 12218, 24436, 30545, 48872, 61090, 97744, 122180, 244360, 488720]

約数ペア:

[(1, 488720), (2, 244360), (4, 122180), (5, 97744), (8, 61090), (10, 48872), (16, 30545), (20, 24436), (40, 12218), (41, 11920), (80, 6109), (82, 5960), (149, 3280), (164, 2980), (205, 2384), (298, 1640), (328, 1490), (410, 1192), (596, 820), (656, 745)]