204626320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 495794160

約数和(自身を除く): 291167840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 193, 232, 290, 386, 457, 464, 580, 772, 914, 965, 1160, 1544, 1828, 1930, 2285, 2320, 3088, 3656, 3860, 4570, 5597, 7312, 7720, 9140, 11194, 13253, 15440, 18280, 22388, 26506, 27985, 36560, 44776, 53012, 55970, 66265, 88201, 89552, 106024, 111940, 132530, 176402, 212048, 223880, 265060, 352804, 441005, 447760, 530120, 705608, 882010, 1060240, 1411216, 1764020, 2557829, 3528040, 5115658, 7056080, 10231316, 12789145, 20462632, 25578290, 40925264, 51156580, 102313160, 204626320]

約数ペア:

[(1, 204626320), (2, 102313160), (4, 51156580), (5, 40925264), (8, 25578290), (10, 20462632), (16, 12789145), (20, 10231316), (29, 7056080), (40, 5115658), (58, 3528040), (80, 2557829), (116, 1764020), (145, 1411216), (193, 1060240), (232, 882010), (290, 705608), (386, 530120), (457, 447760), (464, 441005), (580, 352804), (772, 265060), (914, 223880), (965, 212048), (1160, 176402), (1544, 132530), (1828, 111940), (1930, 106024), (2285, 89552), (2320, 88201), (3088, 66265), (3656, 55970), (3860, 53012), (4570, 44776), (5597, 36560), (7312, 27985), (7720, 26506), (9140, 22388), (11194, 18280), (13253, 15440)]