28012020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 82131840

約数和(自身を除く): 54119820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 59, 60, 82, 118, 123, 164, 177, 193, 205, 236, 246, 295, 354, 386, 410, 492, 579, 590, 615, 708, 772, 820, 885, 965, 1158, 1180, 1230, 1770, 1930, 2316, 2419, 2460, 2895, 3540, 3860, 4838, 5790, 7257, 7913, 9676, 11387, 11580, 12095, 14514, 15826, 22774, 23739, 24190, 29028, 31652, 34161, 36285, 39565, 45548, 47478, 48380, 56935, 68322, 72570, 79130, 94956, 113870, 118695, 136644, 145140, 158260, 170805, 227740, 237390, 341610, 466867, 474780, 683220, 933734, 1400601, 1867468, 2334335, 2801202, 4668670, 5602404, 7003005, 9337340, 14006010, 28012020]

約数ペア:

[(1, 28012020), (2, 14006010), (3, 9337340), (4, 7003005), (5, 5602404), (6, 4668670), (10, 2801202), (12, 2334335), (15, 1867468), (20, 1400601), (30, 933734), (41, 683220), (59, 474780), (60, 466867), (82, 341610), (118, 237390), (123, 227740), (164, 170805), (177, 158260), (193, 145140), (205, 136644), (236, 118695), (246, 113870), (295, 94956), (354, 79130), (386, 72570), (410, 68322), (492, 56935), (579, 48380), (590, 47478), (615, 45548), (708, 39565), (772, 36285), (820, 34161), (885, 31652), (965, 29028), (1158, 24190), (1180, 23739), (1230, 22774), (1770, 15826), (1930, 14514), (2316, 12095), (2419, 11580), (2460, 11387), (2895, 9676), (3540, 7913), (3860, 7257), (4838, 5790)]