201789424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 435686400

約数和(自身を除く): 233896976

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 47, 58, 76, 94, 116, 152, 188, 232, 304, 376, 464, 487, 551, 752, 893, 974, 1102, 1363, 1786, 1948, 2204, 2726, 3572, 3896, 4408, 5452, 7144, 7792, 8816, 9253, 10904, 14123, 14288, 18506, 21808, 22889, 25897, 28246, 37012, 45778, 51794, 56492, 74024, 91556, 103588, 112984, 148048, 183112, 207176, 225968, 268337, 366224, 414352, 434891, 536674, 663781, 869782, 1073348, 1327562, 1739564, 2146696, 2655124, 3479128, 4293392, 5310248, 6958256, 10620496, 12611839, 25223678, 50447356, 100894712, 201789424]

約数ペア:

[(1, 201789424), (2, 100894712), (4, 50447356), (8, 25223678), (16, 12611839), (19, 10620496), (29, 6958256), (38, 5310248), (47, 4293392), (58, 3479128), (76, 2655124), (94, 2146696), (116, 1739564), (152, 1327562), (188, 1073348), (232, 869782), (304, 663781), (376, 536674), (464, 434891), (487, 414352), (551, 366224), (752, 268337), (893, 225968), (974, 207176), (1102, 183112), (1363, 148048), (1786, 112984), (1948, 103588), (2204, 91556), (2726, 74024), (3572, 56492), (3896, 51794), (4408, 45778), (5452, 37012), (7144, 28246), (7792, 25897), (8816, 22889), (9253, 21808), (10904, 18506), (14123, 14288)]