319102420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{13487}}^1$

素因数の和:13529

約数の個数: 72

約数和(自身を含む): 829350144

約数和(自身を除く): 510247724

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 13487, 23660, 26974, 53948, 67435, 94409, 134870, 175331, 188818, 269740, 350662, 377636, 472045, 701324, 876655, 944090, 1227317, 1753310, 1888180, 2279303, 2454634, 3506620, 4558606, 4909268, 6136585, 9117212, 11396515, 12273170, 15955121, 22793030, 24546340, 31910242, 45586060, 63820484, 79775605, 159551210, 319102420]

約数ペア:

[(1, 319102420), (2, 159551210), (4, 79775605), (5, 63820484), (7, 45586060), (10, 31910242), (13, 24546340), (14, 22793030), (20, 15955121), (26, 12273170), (28, 11396515), (35, 9117212), (52, 6136585), (65, 4909268), (70, 4558606), (91, 3506620), (130, 2454634), (140, 2279303), (169, 1888180), (182, 1753310), (260, 1227317), (338, 944090), (364, 876655), (455, 701324), (676, 472045), (845, 377636), (910, 350662), (1183, 269740), (1690, 188818), (1820, 175331), (2366, 134870), (3380, 94409), (4732, 67435), (5915, 53948), (11830, 26974), (13487, 23660)]