205993480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1499

約数の個数: 128

約数和(自身を含む): 590561280

約数和(自身を除く): 384567800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 140, 154, 188, 220, 235, 280, 308, 329, 376, 385, 440, 470, 517, 616, 658, 770, 940, 1034, 1316, 1423, 1540, 1645, 1880, 2068, 2585, 2632, 2846, 3080, 3290, 3619, 4136, 5170, 5692, 6580, 7115, 7238, 9961, 10340, 11384, 13160, 14230, 14476, 15653, 18095, 19922, 20680, 28460, 28952, 31306, 36190, 39844, 49805, 56920, 62612, 66881, 72380, 78265, 79688, 99610, 109571, 125224, 133762, 144760, 156530, 199220, 219142, 267524, 313060, 334405, 398440, 438284, 468167, 535048, 547855, 626120, 668810, 735691, 876568, 936334, 1095710, 1337620, 1471382, 1872668, 2191420, 2340835, 2675240, 2942764, 3678455, 3745336, 4382840, 4681670, 5149837, 5885528, 7356910, 9363340, 10299674, 14713820, 18726680, 20599348, 25749185, 29427640, 41198696, 51498370, 102996740, 205993480]

約数ペア:

[(1, 205993480), (2, 102996740), (4, 51498370), (5, 41198696), (7, 29427640), (8, 25749185), (10, 20599348), (11, 18726680), (14, 14713820), (20, 10299674), (22, 9363340), (28, 7356910), (35, 5885528), (40, 5149837), (44, 4681670), (47, 4382840), (55, 3745336), (56, 3678455), (70, 2942764), (77, 2675240), (88, 2340835), (94, 2191420), (110, 1872668), (140, 1471382), (154, 1337620), (188, 1095710), (220, 936334), (235, 876568), (280, 735691), (308, 668810), (329, 626120), (376, 547855), (385, 535048), (440, 468167), (470, 438284), (517, 398440), (616, 334405), (658, 313060), (770, 267524), (940, 219142), (1034, 199220), (1316, 156530), (1423, 144760), (1540, 133762), (1645, 125224), (1880, 109571), (2068, 99610), (2585, 79688), (2632, 78265), (2846, 72380), (3080, 66881), (3290, 62612), (3619, 56920), (4136, 49805), (5170, 39844), (5692, 36190), (6580, 31306), (7115, 28952), (7238, 28460), (9961, 20680), (10340, 19922), (11384, 18095), (13160, 15653), (14230, 14476)]