71405180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 188697600

約数和(自身を除く): 117292420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 199, 220, 233, 308, 385, 398, 466, 770, 796, 932, 995, 1165, 1393, 1540, 1631, 1990, 2189, 2330, 2563, 2786, 3262, 3980, 4378, 4660, 5126, 5572, 6524, 6965, 8155, 8756, 10252, 10945, 12815, 13930, 15323, 16310, 17941, 21890, 25630, 27860, 30646, 32620, 35882, 43780, 46367, 51260, 61292, 71764, 76615, 89705, 92734, 153230, 179410, 185468, 231835, 306460, 324569, 358820, 463670, 510037, 649138, 927340, 1020074, 1298276, 1622845, 2040148, 2550185, 3245690, 3570259, 5100370, 6491380, 7140518, 10200740, 14281036, 17851295, 35702590, 71405180]

約数ペア:

[(1, 71405180), (2, 35702590), (4, 17851295), (5, 14281036), (7, 10200740), (10, 7140518), (11, 6491380), (14, 5100370), (20, 3570259), (22, 3245690), (28, 2550185), (35, 2040148), (44, 1622845), (55, 1298276), (70, 1020074), (77, 927340), (110, 649138), (140, 510037), (154, 463670), (199, 358820), (220, 324569), (233, 306460), (308, 231835), (385, 185468), (398, 179410), (466, 153230), (770, 92734), (796, 89705), (932, 76615), (995, 71764), (1165, 61292), (1393, 51260), (1540, 46367), (1631, 43780), (1990, 35882), (2189, 32620), (2330, 30646), (2563, 27860), (2786, 25630), (3262, 21890), (3980, 17941), (4378, 16310), (4660, 15323), (5126, 13930), (5572, 12815), (6524, 10945), (6965, 10252), (8155, 8756)]