89628140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4673}}^1$

素因数の和:4826

約数の個数: 48

約数和(自身を含む): 216724032

約数和(自身を除く): 127095892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4673, 4795, 9346, 9590, 18692, 19180, 23365, 32711, 46730, 65422, 93460, 130844, 163555, 327110, 640201, 654220, 1280402, 2560804, 3201005, 4481407, 6402010, 8962814, 12804020, 17925628, 22407035, 44814070, 89628140]

約数ペア:

[(1, 89628140), (2, 44814070), (4, 22407035), (5, 17925628), (7, 12804020), (10, 8962814), (14, 6402010), (20, 4481407), (28, 3201005), (35, 2560804), (70, 1280402), (137, 654220), (140, 640201), (274, 327110), (548, 163555), (685, 130844), (959, 93460), (1370, 65422), (1918, 46730), (2740, 32711), (3836, 23365), (4673, 19180), (4795, 18692), (9346, 9590)]