118890400

素因数分解:

$2^5\times 5^2\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:794

約数の個数: 72

約数和(自身を含む): 291754764

約数和(自身を除く): 172864364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 353, 400, 421, 706, 800, 842, 1412, 1684, 1765, 2105, 2824, 3368, 3530, 4210, 5648, 6736, 7060, 8420, 8825, 10525, 11296, 13472, 14120, 16840, 17650, 21050, 28240, 33680, 35300, 42100, 56480, 67360, 70600, 84200, 141200, 148613, 168400, 282400, 297226, 336800, 594452, 743065, 1188904, 1486130, 2377808, 2972260, 3715325, 4755616, 5944520, 7430650, 11889040, 14861300, 23778080, 29722600, 59445200, 118890400]

約数ペア:

[(1, 118890400), (2, 59445200), (4, 29722600), (5, 23778080), (8, 14861300), (10, 11889040), (16, 7430650), (20, 5944520), (25, 4755616), (32, 3715325), (40, 2972260), (50, 2377808), (80, 1486130), (100, 1188904), (160, 743065), (200, 594452), (353, 336800), (400, 297226), (421, 282400), (706, 168400), (800, 148613), (842, 141200), (1412, 84200), (1684, 70600), (1765, 67360), (2105, 56480), (2824, 42100), (3368, 35300), (3530, 33680), (4210, 28240), (5648, 21050), (6736, 17650), (7060, 16840), (8420, 14120), (8825, 13472), (10525, 11296)]