3960740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 10012800

約数和(自身を除く): 6052060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1489, 2660, 2978, 5956, 7445, 10423, 14890, 20846, 28291, 29780, 41692, 52115, 56582, 104230, 113164, 141455, 198037, 208460, 282910, 396074, 565820, 792148, 990185, 1980370, 3960740]

約数ペア:

[(1, 3960740), (2, 1980370), (4, 990185), (5, 792148), (7, 565820), (10, 396074), (14, 282910), (19, 208460), (20, 198037), (28, 141455), (35, 113164), (38, 104230), (70, 56582), (76, 52115), (95, 41692), (133, 29780), (140, 28291), (190, 20846), (266, 14890), (380, 10423), (532, 7445), (665, 5956), (1330, 2978), (1489, 2660)]