38864690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 77552640

約数和(自身を除く): 38687950

約数列:

[1, 2, 5, 10, 19, 38, 43, 67, 71, 86, 95, 134, 142, 190, 215, 335, 355, 430, 670, 710, 817, 1273, 1349, 1634, 2546, 2698, 2881, 3053, 4085, 4757, 5762, 6106, 6365, 6745, 8170, 9514, 12730, 13490, 14405, 15265, 23785, 28810, 30530, 47570, 54739, 58007, 90383, 109478, 116014, 180766, 204551, 273695, 290035, 409102, 451915, 547390, 580070, 903830, 1022755, 2045510, 3886469, 7772938, 19432345, 38864690]

約数ペア:

[(1, 38864690), (2, 19432345), (5, 7772938), (10, 3886469), (19, 2045510), (38, 1022755), (43, 903830), (67, 580070), (71, 547390), (86, 451915), (95, 409102), (134, 290035), (142, 273695), (190, 204551), (215, 180766), (335, 116014), (355, 109478), (430, 90383), (670, 58007), (710, 54739), (817, 47570), (1273, 30530), (1349, 28810), (1634, 23785), (2546, 15265), (2698, 14405), (2881, 13490), (3053, 12730), (4085, 9514), (4757, 8170), (5762, 6745), (6106, 6365)]