31542140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 83099520

約数和(自身を除く): 51557380

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 140, 145, 170, 203, 238, 290, 340, 406, 457, 476, 493, 580, 595, 812, 914, 986, 1015, 1190, 1828, 1972, 2030, 2285, 2380, 2465, 3199, 3451, 4060, 4570, 4930, 6398, 6902, 7769, 9140, 9860, 12796, 13253, 13804, 15538, 15995, 17255, 26506, 31076, 31990, 34510, 38845, 53012, 54383, 63980, 66265, 69020, 77690, 92771, 108766, 132530, 155380, 185542, 217532, 225301, 265060, 271915, 371084, 450602, 463855, 543830, 901204, 927710, 1087660, 1126505, 1577107, 1855420, 2253010, 3154214, 4506020, 6308428, 7885535, 15771070, 31542140]

約数ペア:

[(1, 31542140), (2, 15771070), (4, 7885535), (5, 6308428), (7, 4506020), (10, 3154214), (14, 2253010), (17, 1855420), (20, 1577107), (28, 1126505), (29, 1087660), (34, 927710), (35, 901204), (58, 543830), (68, 463855), (70, 450602), (85, 371084), (116, 271915), (119, 265060), (140, 225301), (145, 217532), (170, 185542), (203, 155380), (238, 132530), (290, 108766), (340, 92771), (406, 77690), (457, 69020), (476, 66265), (493, 63980), (580, 54383), (595, 53012), (812, 38845), (914, 34510), (986, 31990), (1015, 31076), (1190, 26506), (1828, 17255), (1972, 15995), (2030, 15538), (2285, 13804), (2380, 13253), (2465, 12796), (3199, 9860), (3451, 9140), (4060, 7769), (4570, 6902), (4930, 6398)]