7488740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 18144000

約数和(自身を除く): 10655260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 359, 596, 718, 745, 1043, 1436, 1490, 1795, 2086, 2513, 2980, 3590, 4172, 5026, 5215, 7180, 10052, 10430, 12565, 20860, 25130, 50260, 53491, 106982, 213964, 267455, 374437, 534910, 748874, 1069820, 1497748, 1872185, 3744370, 7488740]

約数ペア:

[(1, 7488740), (2, 3744370), (4, 1872185), (5, 1497748), (7, 1069820), (10, 748874), (14, 534910), (20, 374437), (28, 267455), (35, 213964), (70, 106982), (140, 53491), (149, 50260), (298, 25130), (359, 20860), (596, 12565), (718, 10430), (745, 10052), (1043, 7180), (1436, 5215), (1490, 5026), (1795, 4172), (2086, 3590), (2513, 2980)]