1221800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 2929500

約数和(自身を除く): 1707700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 149, 164, 200, 205, 298, 328, 410, 596, 745, 820, 1025, 1192, 1490, 1640, 2050, 2980, 3725, 4100, 5960, 6109, 7450, 8200, 12218, 14900, 24436, 29800, 30545, 48872, 61090, 122180, 152725, 244360, 305450, 610900, 1221800]

約数ペア:

[(1, 1221800), (2, 610900), (4, 305450), (5, 244360), (8, 152725), (10, 122180), (20, 61090), (25, 48872), (40, 30545), (41, 29800), (50, 24436), (82, 14900), (100, 12218), (149, 8200), (164, 7450), (200, 6109), (205, 5960), (298, 4100), (328, 3725), (410, 2980), (596, 2050), (745, 1640), (820, 1490), (1025, 1192)]