28997920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1562

約数の個数: 96

約数和(自身を含む): 82954368

約数和(自身を除く): 53956448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1120, 1190, 1360, 1523, 1904, 2380, 2720, 3046, 3808, 4760, 6092, 7615, 9520, 10661, 12184, 15230, 19040, 21322, 24368, 25891, 30460, 42644, 48736, 51782, 53305, 60920, 85288, 103564, 106610, 121840, 129455, 170576, 181237, 207128, 213220, 243680, 258910, 341152, 362474, 414256, 426440, 517820, 724948, 828512, 852880, 906185, 1035640, 1449896, 1705760, 1812370, 2071280, 2899792, 3624740, 4142560, 5799584, 7249480, 14498960, 28997920]

約数ペア:

[(1, 28997920), (2, 14498960), (4, 7249480), (5, 5799584), (7, 4142560), (8, 3624740), (10, 2899792), (14, 2071280), (16, 1812370), (17, 1705760), (20, 1449896), (28, 1035640), (32, 906185), (34, 852880), (35, 828512), (40, 724948), (56, 517820), (68, 426440), (70, 414256), (80, 362474), (85, 341152), (112, 258910), (119, 243680), (136, 213220), (140, 207128), (160, 181237), (170, 170576), (224, 129455), (238, 121840), (272, 106610), (280, 103564), (340, 85288), (476, 60920), (544, 53305), (560, 51782), (595, 48736), (680, 42644), (952, 30460), (1120, 25891), (1190, 24368), (1360, 21322), (1523, 19040), (1904, 15230), (2380, 12184), (2720, 10661), (3046, 9520), (3808, 7615), (4760, 6092)]