2273740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 5544000

約数和(自身を除く): 3270260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 149, 218, 298, 436, 545, 596, 745, 763, 1043, 1090, 1490, 1526, 2086, 2180, 2980, 3052, 3815, 4172, 5215, 7630, 10430, 15260, 16241, 20860, 32482, 64964, 81205, 113687, 162410, 227374, 324820, 454748, 568435, 1136870, 2273740]

約数ペア:

[(1, 2273740), (2, 1136870), (4, 568435), (5, 454748), (7, 324820), (10, 227374), (14, 162410), (20, 113687), (28, 81205), (35, 64964), (70, 32482), (109, 20860), (140, 16241), (149, 15260), (218, 10430), (298, 7630), (436, 5215), (545, 4172), (596, 3815), (745, 3052), (763, 2980), (1043, 2180), (1090, 2086), (1490, 1526)]