3202220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 7801920

約数和(自身を除く): 4599700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 257, 356, 445, 514, 623, 890, 1028, 1246, 1285, 1780, 1799, 2492, 2570, 3115, 3598, 5140, 6230, 7196, 8995, 12460, 17990, 22873, 35980, 45746, 91492, 114365, 160111, 228730, 320222, 457460, 640444, 800555, 1601110, 3202220]

約数ペア:

[(1, 3202220), (2, 1601110), (4, 800555), (5, 640444), (7, 457460), (10, 320222), (14, 228730), (20, 160111), (28, 114365), (35, 91492), (70, 45746), (89, 35980), (140, 22873), (178, 17990), (257, 12460), (356, 8995), (445, 7196), (514, 6230), (623, 5140), (890, 3598), (1028, 3115), (1246, 2570), (1285, 2492), (1780, 1799)]