205342760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 559319040

約数和(自身を除く): 353976280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 56, 62, 70, 82, 124, 140, 155, 164, 205, 217, 248, 280, 287, 310, 328, 410, 434, 574, 577, 620, 820, 868, 1085, 1148, 1154, 1240, 1271, 1435, 1640, 1736, 2170, 2296, 2308, 2542, 2870, 2885, 4039, 4340, 4616, 5084, 5740, 5770, 6355, 8078, 8680, 8897, 10168, 11480, 11540, 12710, 16156, 17794, 17887, 20195, 23080, 23657, 25420, 32312, 35588, 35774, 40390, 44485, 47314, 50840, 71176, 71548, 80780, 88970, 89435, 94628, 118285, 125209, 143096, 161560, 165599, 177940, 178870, 189256, 236570, 250418, 331198, 355880, 357740, 473140, 500836, 626045, 662396, 715480, 733367, 827995, 946280, 1001672, 1252090, 1324792, 1466734, 1655990, 2504180, 2933468, 3311980, 3666835, 5008360, 5133569, 5866936, 6623960, 7333670, 10267138, 14667340, 20534276, 25667845, 29334680, 41068552, 51335690, 102671380, 205342760]

約数ペア:

[(1, 205342760), (2, 102671380), (4, 51335690), (5, 41068552), (7, 29334680), (8, 25667845), (10, 20534276), (14, 14667340), (20, 10267138), (28, 7333670), (31, 6623960), (35, 5866936), (40, 5133569), (41, 5008360), (56, 3666835), (62, 3311980), (70, 2933468), (82, 2504180), (124, 1655990), (140, 1466734), (155, 1324792), (164, 1252090), (205, 1001672), (217, 946280), (248, 827995), (280, 733367), (287, 715480), (310, 662396), (328, 626045), (410, 500836), (434, 473140), (574, 357740), (577, 355880), (620, 331198), (820, 250418), (868, 236570), (1085, 189256), (1148, 178870), (1154, 177940), (1240, 165599), (1271, 161560), (1435, 143096), (1640, 125209), (1736, 118285), (2170, 94628), (2296, 89435), (2308, 88970), (2542, 80780), (2870, 71548), (2885, 71176), (4039, 50840), (4340, 47314), (4616, 44485), (5084, 40390), (5740, 35774), (5770, 35588), (6355, 32312), (8078, 25420), (8680, 23657), (8897, 23080), (10168, 20195), (11480, 17887), (11540, 17794), (12710, 16156)]