2101540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 5346432

約数和(自身を除く): 3244892

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 883, 1190, 1766, 2380, 3532, 4415, 6181, 8830, 12362, 15011, 17660, 24724, 30022, 30905, 60044, 61810, 75055, 105077, 123620, 150110, 210154, 300220, 420308, 525385, 1050770, 2101540]

約数ペア:

[(1, 2101540), (2, 1050770), (4, 525385), (5, 420308), (7, 300220), (10, 210154), (14, 150110), (17, 123620), (20, 105077), (28, 75055), (34, 61810), (35, 60044), (68, 30905), (70, 30022), (85, 24724), (119, 17660), (140, 15011), (170, 12362), (238, 8830), (340, 6181), (476, 4415), (595, 3532), (883, 2380), (1190, 1766)]