2511740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 6722352

約数和(自身を除く): 4210612

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 233, 245, 308, 385, 466, 490, 539, 770, 932, 980, 1078, 1165, 1540, 1631, 2156, 2330, 2563, 2695, 3262, 4660, 5126, 5390, 6524, 8155, 10252, 10780, 11417, 12815, 16310, 17941, 22834, 25630, 32620, 35882, 45668, 51260, 57085, 71764, 89705, 114170, 125587, 179410, 228340, 251174, 358820, 502348, 627935, 1255870, 2511740]

約数ペア:

[(1, 2511740), (2, 1255870), (4, 627935), (5, 502348), (7, 358820), (10, 251174), (11, 228340), (14, 179410), (20, 125587), (22, 114170), (28, 89705), (35, 71764), (44, 57085), (49, 51260), (55, 45668), (70, 35882), (77, 32620), (98, 25630), (110, 22834), (140, 17941), (154, 16310), (196, 12815), (220, 11417), (233, 10780), (245, 10252), (308, 8155), (385, 6524), (466, 5390), (490, 5126), (539, 4660), (770, 3262), (932, 2695), (980, 2563), (1078, 2330), (1165, 2156), (1540, 1631)]