130401740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19009}}^1$

素因数の和:19039

約数の個数: 48

約数和(自身を含む): 319368000

約数和(自身を除く): 188966260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 19009, 38018, 76036, 95045, 133063, 190090, 266126, 380180, 532252, 665315, 931441, 1330630, 1862882, 2661260, 3725764, 4657205, 6520087, 9314410, 13040174, 18628820, 26080348, 32600435, 65200870, 130401740]

約数ペア:

[(1, 130401740), (2, 65200870), (4, 32600435), (5, 26080348), (7, 18628820), (10, 13040174), (14, 9314410), (20, 6520087), (28, 4657205), (35, 3725764), (49, 2661260), (70, 1862882), (98, 1330630), (140, 931441), (196, 665315), (245, 532252), (343, 380180), (490, 266126), (686, 190090), (980, 133063), (1372, 95045), (1715, 76036), (3430, 38018), (6860, 19009)]