2453780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 6241536

約数和(自身を除く): 3787756

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, 1031, 1190, 2062, 2380, 4124, 5155, 7217, 10310, 14434, 17527, 20620, 28868, 35054, 36085, 70108, 72170, 87635, 122689, 144340, 175270, 245378, 350540, 490756, 613445, 1226890, 2453780]

約数ペア:

[(1, 2453780), (2, 1226890), (4, 613445), (5, 490756), (7, 350540), (10, 245378), (14, 175270), (17, 144340), (20, 122689), (28, 87635), (34, 72170), (35, 70108), (68, 36085), (70, 35054), (85, 28868), (119, 20620), (140, 17527), (170, 14434), (238, 10310), (340, 7217), (476, 5155), (595, 4124), (1031, 2380), (1190, 2062)]