207276920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 534211200

約数和(自身を除く): 326934280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 29, 34, 40, 46, 58, 68, 85, 92, 115, 116, 136, 145, 170, 184, 230, 232, 290, 340, 391, 457, 460, 493, 580, 667, 680, 782, 914, 920, 986, 1160, 1334, 1564, 1828, 1955, 1972, 2285, 2465, 2668, 3128, 3335, 3656, 3910, 3944, 4570, 4930, 5336, 6670, 7769, 7820, 9140, 9860, 10511, 11339, 13253, 13340, 15538, 15640, 18280, 19720, 21022, 22678, 26506, 26680, 31076, 38845, 42044, 45356, 52555, 53012, 56695, 62152, 66265, 77690, 84088, 90712, 105110, 106024, 113390, 132530, 155380, 178687, 210220, 225301, 226780, 265060, 304819, 310760, 357374, 420440, 450602, 453560, 530120, 609638, 714748, 893435, 901204, 1126505, 1219276, 1429496, 1524095, 1786870, 1802408, 2253010, 2438552, 3048190, 3573740, 4506020, 5181923, 6096380, 7147480, 9012040, 10363846, 12192760, 20727692, 25909615, 41455384, 51819230, 103638460, 207276920]

約数ペア:

[(1, 207276920), (2, 103638460), (4, 51819230), (5, 41455384), (8, 25909615), (10, 20727692), (17, 12192760), (20, 10363846), (23, 9012040), (29, 7147480), (34, 6096380), (40, 5181923), (46, 4506020), (58, 3573740), (68, 3048190), (85, 2438552), (92, 2253010), (115, 1802408), (116, 1786870), (136, 1524095), (145, 1429496), (170, 1219276), (184, 1126505), (230, 901204), (232, 893435), (290, 714748), (340, 609638), (391, 530120), (457, 453560), (460, 450602), (493, 420440), (580, 357374), (667, 310760), (680, 304819), (782, 265060), (914, 226780), (920, 225301), (986, 210220), (1160, 178687), (1334, 155380), (1564, 132530), (1828, 113390), (1955, 106024), (1972, 105110), (2285, 90712), (2465, 84088), (2668, 77690), (3128, 66265), (3335, 62152), (3656, 56695), (3910, 53012), (3944, 52555), (4570, 45356), (4930, 42044), (5336, 38845), (6670, 31076), (7769, 26680), (7820, 26506), (9140, 22678), (9860, 21022), (10511, 19720), (11339, 18280), (13253, 15640), (13340, 15538)]