163213820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{105983}}^1$

素因数の和:106010

約数の個数: 48

約数和(自身を含む): 427327488

約数和(自身を除く): 264113668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 105983, 211966, 423932, 529915, 741881, 1059830, 1165813, 1483762, 2119660, 2331626, 2967524, 3709405, 4663252, 5829065, 7418810, 8160691, 11658130, 14837620, 16321382, 23316260, 32642764, 40803455, 81606910, 163213820]

約数ペア:

[(1, 163213820), (2, 81606910), (4, 40803455), (5, 32642764), (7, 23316260), (10, 16321382), (11, 14837620), (14, 11658130), (20, 8160691), (22, 7418810), (28, 5829065), (35, 4663252), (44, 3709405), (55, 2967524), (70, 2331626), (77, 2119660), (110, 1483762), (140, 1165813), (154, 1059830), (220, 741881), (308, 529915), (385, 423932), (770, 211966), (1540, 105983)]