2426140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3017060

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 89, 94, 116, 145, 178, 188, 235, 290, 356, 445, 470, 580, 890, 940, 1363, 1780, 2581, 2726, 4183, 5162, 5452, 6815, 8366, 10324, 12905, 13630, 16732, 20915, 25810, 27260, 41830, 51620, 83660, 121307, 242614, 485228, 606535, 1213070, 2426140]

約数ペア:

[(1, 2426140), (2, 1213070), (4, 606535), (5, 485228), (10, 242614), (20, 121307), (29, 83660), (47, 51620), (58, 41830), (89, 27260), (94, 25810), (116, 20915), (145, 16732), (178, 13630), (188, 12905), (235, 10324), (290, 8366), (356, 6815), (445, 5452), (470, 5162), (580, 4183), (890, 2726), (940, 2581), (1363, 1780)]