3937640

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 80

約数和(自身を含む): 10587780

約数和(自身を除く): 6650140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 343, 392, 410, 490, 574, 686, 820, 980, 1148, 1372, 1435, 1640, 1715, 1960, 2009, 2296, 2401, 2744, 2870, 3430, 4018, 4802, 5740, 6860, 8036, 9604, 10045, 11480, 12005, 13720, 14063, 16072, 19208, 20090, 24010, 28126, 40180, 48020, 56252, 70315, 80360, 96040, 98441, 112504, 140630, 196882, 281260, 393764, 492205, 562520, 787528, 984410, 1968820, 3937640]

約数ペア:

[(1, 3937640), (2, 1968820), (4, 984410), (5, 787528), (7, 562520), (8, 492205), (10, 393764), (14, 281260), (20, 196882), (28, 140630), (35, 112504), (40, 98441), (41, 96040), (49, 80360), (56, 70315), (70, 56252), (82, 48020), (98, 40180), (140, 28126), (164, 24010), (196, 20090), (205, 19208), (245, 16072), (280, 14063), (287, 13720), (328, 12005), (343, 11480), (392, 10045), (410, 9604), (490, 8036), (574, 6860), (686, 5740), (820, 4802), (980, 4018), (1148, 3430), (1372, 2870), (1435, 2744), (1640, 2401), (1715, 2296), (1960, 2009)]