68881790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 138288384

約数和(自身を除く): 69406594

約数列:

[1, 2, 5, 10, 17, 34, 37, 47, 74, 85, 94, 170, 185, 233, 235, 370, 466, 470, 629, 799, 1165, 1258, 1598, 1739, 2330, 3145, 3478, 3961, 3995, 6290, 7922, 7990, 8621, 8695, 10951, 17242, 17390, 19805, 21902, 29563, 39610, 43105, 54755, 59126, 86210, 109510, 146557, 147815, 186167, 293114, 295630, 372334, 405187, 732785, 810374, 930835, 1465570, 1861670, 2025935, 4051870, 6888179, 13776358, 34440895, 68881790]

約数ペア:

[(1, 68881790), (2, 34440895), (5, 13776358), (10, 6888179), (17, 4051870), (34, 2025935), (37, 1861670), (47, 1465570), (74, 930835), (85, 810374), (94, 732785), (170, 405187), (185, 372334), (233, 295630), (235, 293114), (370, 186167), (466, 147815), (470, 146557), (629, 109510), (799, 86210), (1165, 59126), (1258, 54755), (1598, 43105), (1739, 39610), (2330, 29563), (3145, 21902), (3478, 19805), (3961, 17390), (3995, 17242), (6290, 10951), (7922, 8695), (7990, 8621)]