201915980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1299

約数の個数: 96

約数和(自身を含む): 513959040

約数和(自身を除く): 312043060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 41, 58, 70, 82, 116, 140, 145, 164, 203, 205, 287, 290, 406, 410, 574, 580, 812, 820, 1015, 1148, 1189, 1213, 1435, 2030, 2378, 2426, 2870, 4060, 4756, 4852, 5740, 5945, 6065, 8323, 8491, 11890, 12130, 16646, 16982, 23780, 24260, 33292, 33964, 35177, 41615, 42455, 49733, 70354, 83230, 84910, 99466, 140708, 166460, 169820, 175885, 198932, 246239, 248665, 348131, 351770, 492478, 497330, 696262, 703540, 984956, 994660, 1231195, 1392524, 1442257, 1740655, 2462390, 2884514, 3481310, 4924780, 5769028, 6962620, 7211285, 10095799, 14422570, 20191598, 28845140, 40383196, 50478995, 100957990, 201915980]

約数ペア:

[(1, 201915980), (2, 100957990), (4, 50478995), (5, 40383196), (7, 28845140), (10, 20191598), (14, 14422570), (20, 10095799), (28, 7211285), (29, 6962620), (35, 5769028), (41, 4924780), (58, 3481310), (70, 2884514), (82, 2462390), (116, 1740655), (140, 1442257), (145, 1392524), (164, 1231195), (203, 994660), (205, 984956), (287, 703540), (290, 696262), (406, 497330), (410, 492478), (574, 351770), (580, 348131), (812, 248665), (820, 246239), (1015, 198932), (1148, 175885), (1189, 169820), (1213, 166460), (1435, 140708), (2030, 99466), (2378, 84910), (2426, 83230), (2870, 70354), (4060, 49733), (4756, 42455), (4852, 41615), (5740, 35177), (5945, 33964), (6065, 33292), (8323, 24260), (8491, 23780), (11890, 16982), (12130, 16646)]