11209968280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1291471}}^1$

素因数の和:1291520

約数の個数: 64

約数和(自身を含む): 29755514880

約数和(自身を除く): 18545546600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 1291471, 2582942, 5165884, 6457355, 9040297, 10331768, 12914710, 18080594, 25829420, 36161188, 40035601, 45201485, 51658840, 72322376, 80071202, 90402970, 160142404, 180805940, 200178005, 280249207, 320284808, 361611880, 400356010, 560498414, 800712020, 1120996828, 1401246035, 1601424040, 2241993656, 2802492070, 5604984140, 11209968280]

約数ペア:

[(1, 11209968280), (2, 5604984140), (4, 2802492070), (5, 2241993656), (7, 1601424040), (8, 1401246035), (10, 1120996828), (14, 800712020), (20, 560498414), (28, 400356010), (31, 361611880), (35, 320284808), (40, 280249207), (56, 200178005), (62, 180805940), (70, 160142404), (124, 90402970), (140, 80071202), (155, 72322376), (217, 51658840), (248, 45201485), (280, 40035601), (310, 36161188), (434, 25829420), (620, 18080594), (868, 12914710), (1085, 10331768), (1240, 9040297), (1736, 6457355), (2170, 5165884), (4340, 2582942), (8680, 1291471)]