86857850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 167935680

約数和(自身を除く): 81077830

約数列:

[1, 2, 5, 10, 25, 43, 50, 71, 86, 142, 215, 355, 430, 569, 710, 1075, 1138, 1775, 2150, 2845, 3053, 3550, 5690, 6106, 14225, 15265, 24467, 28450, 30530, 40399, 48934, 76325, 80798, 122335, 152650, 201995, 244670, 403990, 611675, 1009975, 1223350, 1737157, 2019950, 3474314, 8685785, 17371570, 43428925, 86857850]

約数ペア:

[(1, 86857850), (2, 43428925), (5, 17371570), (10, 8685785), (25, 3474314), (43, 2019950), (50, 1737157), (71, 1223350), (86, 1009975), (142, 611675), (215, 403990), (355, 244670), (430, 201995), (569, 152650), (710, 122335), (1075, 80798), (1138, 76325), (1775, 48934), (2150, 40399), (2845, 30530), (3053, 28450), (3550, 24467), (5690, 15265), (6106, 14225)]