489372940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{32069}}^1$

素因数の和:32194

約数の個数: 48

約数和(自身を含む): 1185307200

約数和(自身を除く): 695934260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 32069, 64138, 128276, 160345, 224483, 320690, 448966, 641380, 897932, 1122415, 2244830, 3495521, 4489660, 6991042, 13982084, 17477605, 24468647, 34955210, 48937294, 69910420, 97874588, 122343235, 244686470, 489372940]

約数ペア:

[(1, 489372940), (2, 244686470), (4, 122343235), (5, 97874588), (7, 69910420), (10, 48937294), (14, 34955210), (20, 24468647), (28, 17477605), (35, 13982084), (70, 6991042), (109, 4489660), (140, 3495521), (218, 2244830), (436, 1122415), (545, 897932), (763, 641380), (1090, 448966), (1526, 320690), (2180, 224483), (3052, 160345), (3815, 128276), (7630, 64138), (15260, 32069)]