87272890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 175219200

約数和(自身を除く): 87946310

約数列:

[1, 2, 5, 10, 19, 29, 38, 47, 58, 94, 95, 145, 190, 235, 290, 337, 470, 551, 674, 893, 1102, 1363, 1685, 1786, 2726, 2755, 3370, 4465, 5510, 6403, 6815, 8930, 9773, 12806, 13630, 15839, 19546, 25897, 31678, 32015, 48865, 51794, 64030, 79195, 97730, 129485, 158390, 185687, 258970, 300941, 371374, 459331, 601882, 918662, 928435, 1504705, 1856870, 2296655, 3009410, 4593310, 8727289, 17454578, 43636445, 87272890]

約数ペア:

[(1, 87272890), (2, 43636445), (5, 17454578), (10, 8727289), (19, 4593310), (29, 3009410), (38, 2296655), (47, 1856870), (58, 1504705), (94, 928435), (95, 918662), (145, 601882), (190, 459331), (235, 371374), (290, 300941), (337, 258970), (470, 185687), (551, 158390), (674, 129485), (893, 97730), (1102, 79195), (1363, 64030), (1685, 51794), (1786, 48865), (2726, 32015), (2755, 31678), (3370, 25897), (4465, 19546), (5510, 15839), (6403, 13630), (6815, 12806), (8930, 9773)]