121291660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17681}}^1$

素因数の和:17711

約数の個数: 48

約数和(自身を含む): 297057600

約数和(自身を除く): 175765940

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, 17681, 35362, 70724, 88405, 123767, 176810, 247534, 353620, 495068, 618835, 866369, 1237670, 1732738, 2475340, 3465476, 4331845, 6064583, 8663690, 12129166, 17327380, 24258332, 30322915, 60645830, 121291660]

約数ペア:

[(1, 121291660), (2, 60645830), (4, 30322915), (5, 24258332), (7, 17327380), (10, 12129166), (14, 8663690), (20, 6064583), (28, 4331845), (35, 3465476), (49, 2475340), (70, 1732738), (98, 1237670), (140, 866369), (196, 618835), (245, 495068), (343, 353620), (490, 247534), (686, 176810), (980, 123767), (1372, 88405), (1715, 70724), (3430, 35362), (6860, 17681)]