1870540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 4644864

約数和(自身を除く): 2774324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 431, 434, 620, 862, 868, 1085, 1724, 2155, 2170, 3017, 4310, 4340, 6034, 8620, 12068, 13361, 15085, 26722, 30170, 53444, 60340, 66805, 93527, 133610, 187054, 267220, 374108, 467635, 935270, 1870540]

約数ペア:

[(1, 1870540), (2, 935270), (4, 467635), (5, 374108), (7, 267220), (10, 187054), (14, 133610), (20, 93527), (28, 66805), (31, 60340), (35, 53444), (62, 30170), (70, 26722), (124, 15085), (140, 13361), (155, 12068), (217, 8620), (310, 6034), (431, 4340), (434, 4310), (620, 3017), (862, 2170), (868, 2155), (1085, 1724)]