22415540

素因数分解:

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

素因数の和:369

約数の個数: 72

約数和(自身を含む): 55588680

約数和(自身を除く): 33173140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 257, 356, 445, 490, 514, 623, 890, 980, 1028, 1246, 1285, 1780, 1799, 2492, 2570, 3115, 3598, 4361, 5140, 6230, 7196, 8722, 8995, 12460, 12593, 17444, 17990, 21805, 22873, 25186, 35980, 43610, 45746, 50372, 62965, 87220, 91492, 114365, 125930, 160111, 228730, 251860, 320222, 457460, 640444, 800555, 1120777, 1601110, 2241554, 3202220, 4483108, 5603885, 11207770, 22415540]

約数ペア:

[(1, 22415540), (2, 11207770), (4, 5603885), (5, 4483108), (7, 3202220), (10, 2241554), (14, 1601110), (20, 1120777), (28, 800555), (35, 640444), (49, 457460), (70, 320222), (89, 251860), (98, 228730), (140, 160111), (178, 125930), (196, 114365), (245, 91492), (257, 87220), (356, 62965), (445, 50372), (490, 45746), (514, 43610), (623, 35980), (890, 25186), (980, 22873), (1028, 21805), (1246, 17990), (1285, 17444), (1780, 12593), (1799, 12460), (2492, 8995), (2570, 8722), (3115, 7196), (3598, 6230), (4361, 5140)]