18621400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 50711040

約数和(自身を除く): 32089640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 47, 50, 56, 70, 94, 100, 140, 175, 188, 200, 235, 280, 283, 329, 350, 376, 470, 566, 658, 700, 940, 1132, 1175, 1316, 1400, 1415, 1645, 1880, 1981, 2264, 2350, 2632, 2830, 3290, 3962, 4700, 5660, 6580, 7075, 7924, 8225, 9400, 9905, 11320, 13160, 13301, 14150, 15848, 16450, 19810, 26602, 28300, 32900, 39620, 49525, 53204, 56600, 65800, 66505, 79240, 93107, 99050, 106408, 133010, 186214, 198100, 266020, 332525, 372428, 396200, 465535, 532040, 665050, 744856, 931070, 1330100, 1862140, 2327675, 2660200, 3724280, 4655350, 9310700, 18621400]

約数ペア:

[(1, 18621400), (2, 9310700), (4, 4655350), (5, 3724280), (7, 2660200), (8, 2327675), (10, 1862140), (14, 1330100), (20, 931070), (25, 744856), (28, 665050), (35, 532040), (40, 465535), (47, 396200), (50, 372428), (56, 332525), (70, 266020), (94, 198100), (100, 186214), (140, 133010), (175, 106408), (188, 99050), (200, 93107), (235, 79240), (280, 66505), (283, 65800), (329, 56600), (350, 53204), (376, 49525), (470, 39620), (566, 32900), (658, 28300), (700, 26602), (940, 19810), (1132, 16450), (1175, 15848), (1316, 14150), (1400, 13301), (1415, 13160), (1645, 11320), (1880, 9905), (1981, 9400), (2264, 8225), (2350, 7924), (2632, 7075), (2830, 6580), (3290, 5660), (3962, 4700)]