18700360

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 33139640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 47, 49, 56, 58, 70, 94, 98, 116, 140, 145, 188, 196, 203, 232, 235, 245, 280, 290, 329, 343, 376, 392, 406, 470, 490, 580, 658, 686, 812, 940, 980, 1015, 1160, 1316, 1363, 1372, 1421, 1624, 1645, 1715, 1880, 1960, 2030, 2303, 2632, 2726, 2744, 2842, 3290, 3430, 4060, 4606, 5452, 5684, 6580, 6815, 6860, 7105, 8120, 9212, 9541, 9947, 10904, 11368, 11515, 13160, 13630, 13720, 14210, 16121, 18424, 19082, 19894, 23030, 27260, 28420, 32242, 38164, 39788, 46060, 47705, 49735, 54520, 56840, 64484, 66787, 76328, 79576, 80605, 92120, 95410, 99470, 128968, 133574, 161210, 190820, 198940, 267148, 322420, 333935, 381640, 397880, 467509, 534296, 644840, 667870, 935018, 1335740, 1870036, 2337545, 2671480, 3740072, 4675090, 9350180, 18700360]

約数ペア:

[(1, 18700360), (2, 9350180), (4, 4675090), (5, 3740072), (7, 2671480), (8, 2337545), (10, 1870036), (14, 1335740), (20, 935018), (28, 667870), (29, 644840), (35, 534296), (40, 467509), (47, 397880), (49, 381640), (56, 333935), (58, 322420), (70, 267148), (94, 198940), (98, 190820), (116, 161210), (140, 133574), (145, 128968), (188, 99470), (196, 95410), (203, 92120), (232, 80605), (235, 79576), (245, 76328), (280, 66787), (290, 64484), (329, 56840), (343, 54520), (376, 49735), (392, 47705), (406, 46060), (470, 39788), (490, 38164), (580, 32242), (658, 28420), (686, 27260), (812, 23030), (940, 19894), (980, 19082), (1015, 18424), (1160, 16121), (1316, 14210), (1363, 13720), (1372, 13630), (1421, 13160), (1624, 11515), (1645, 11368), (1715, 10904), (1880, 9947), (1960, 9541), (2030, 9212), (2303, 8120), (2632, 7105), (2726, 6860), (2744, 6815), (2842, 6580), (3290, 5684), (3430, 5452), (4060, 4606)]