85811740

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{1787}}^1$

素因数の和:1824

約数の個数: 60

約数和(自身を含む): 210343896

約数和(自身を除く): 124532156

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, 1787, 2401, 3430, 3574, 4802, 6860, 7148, 8935, 9604, 12005, 12509, 17870, 24010, 25018, 35740, 48020, 50036, 62545, 87563, 125090, 175126, 250180, 350252, 437815, 612941, 875630, 1225882, 1751260, 2451764, 3064705, 4290587, 6129410, 8581174, 12258820, 17162348, 21452935, 42905870, 85811740]

約数ペア:

[(1, 85811740), (2, 42905870), (4, 21452935), (5, 17162348), (7, 12258820), (10, 8581174), (14, 6129410), (20, 4290587), (28, 3064705), (35, 2451764), (49, 1751260), (70, 1225882), (98, 875630), (140, 612941), (196, 437815), (245, 350252), (343, 250180), (490, 175126), (686, 125090), (980, 87563), (1372, 62545), (1715, 50036), (1787, 48020), (2401, 35740), (3430, 25018), (3574, 24010), (4802, 17870), (6860, 12509), (7148, 12005), (8935, 9604)]