109719820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{111959}}^1$

素因数の和:111982

約数の個数: 36

約数和(自身を含む): 268032240

約数和(自身を除く): 158312420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 111959, 223918, 447836, 559795, 783713, 1119590, 1567426, 2239180, 3134852, 3918565, 5485991, 7837130, 10971982, 15674260, 21943964, 27429955, 54859910, 109719820]

約数ペア:

[(1, 109719820), (2, 54859910), (4, 27429955), (5, 21943964), (7, 15674260), (10, 10971982), (14, 7837130), (20, 5485991), (28, 3918565), (35, 3134852), (49, 2239180), (70, 1567426), (98, 1119590), (140, 783713), (196, 559795), (245, 447836), (490, 223918), (980, 111959)]