31364980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 68495616

約数和(自身を除く): 37130636

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 470, 547, 610, 940, 1094, 1220, 2188, 2735, 2867, 5470, 5734, 10940, 11468, 14335, 25709, 28670, 33367, 51418, 57340, 66734, 102836, 128545, 133468, 166835, 257090, 333670, 514180, 667340, 1568249, 3136498, 6272996, 7841245, 15682490, 31364980]

約数ペア:

[(1, 31364980), (2, 15682490), (4, 7841245), (5, 6272996), (10, 3136498), (20, 1568249), (47, 667340), (61, 514180), (94, 333670), (122, 257090), (188, 166835), (235, 133468), (244, 128545), (305, 102836), (470, 66734), (547, 57340), (610, 51418), (940, 33367), (1094, 28670), (1220, 25709), (2188, 14335), (2735, 11468), (2867, 10940), (5470, 5734)]