228726440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 531878400

約数和(自身を除く): 303151960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 356, 376, 445, 470, 712, 890, 940, 1367, 1780, 1880, 2734, 3560, 4183, 5468, 6835, 8366, 10936, 13670, 16732, 20915, 27340, 33464, 41830, 54680, 64249, 83660, 121663, 128498, 167320, 243326, 256996, 321245, 486652, 513992, 608315, 642490, 973304, 1216630, 1284980, 2433260, 2569960, 4866520, 5718161, 11436322, 22872644, 28590805, 45745288, 57181610, 114363220, 228726440]

約数ペア:

[(1, 228726440), (2, 114363220), (4, 57181610), (5, 45745288), (8, 28590805), (10, 22872644), (20, 11436322), (40, 5718161), (47, 4866520), (89, 2569960), (94, 2433260), (178, 1284980), (188, 1216630), (235, 973304), (356, 642490), (376, 608315), (445, 513992), (470, 486652), (712, 321245), (890, 256996), (940, 243326), (1367, 167320), (1780, 128498), (1880, 121663), (2734, 83660), (3560, 64249), (4183, 54680), (5468, 41830), (6835, 33464), (8366, 27340), (10936, 20915), (13670, 16732)]