249549690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20641}}^1$

素因数の和:20695

約数の個数: 64

約数和(自身を含む): 665828352

約数和(自身を除く): 416278662

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 20641, 41282, 61923, 103205, 123846, 206410, 268333, 309615, 536666, 619230, 639871, 804999, 1279742, 1341665, 1609998, 1919613, 2683330, 3199355, 3839226, 4024995, 6398710, 8049990, 8318323, 9598065, 16636646, 19196130, 24954969, 41591615, 49909938, 83183230, 124774845, 249549690]

約数ペア:

[(1, 249549690), (2, 124774845), (3, 83183230), (5, 49909938), (6, 41591615), (10, 24954969), (13, 19196130), (15, 16636646), (26, 9598065), (30, 8318323), (31, 8049990), (39, 6398710), (62, 4024995), (65, 3839226), (78, 3199355), (93, 2683330), (130, 1919613), (155, 1609998), (186, 1341665), (195, 1279742), (310, 804999), (390, 639871), (403, 619230), (465, 536666), (806, 309615), (930, 268333), (1209, 206410), (2015, 123846), (2418, 103205), (4030, 61923), (6045, 41282), (12090, 20641)]