5478340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 13305600

約数和(自身を除く): 7827260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 359, 436, 545, 718, 763, 1090, 1436, 1526, 1795, 2180, 2513, 3052, 3590, 3815, 5026, 7180, 7630, 10052, 12565, 15260, 25130, 39131, 50260, 78262, 156524, 195655, 273917, 391310, 547834, 782620, 1095668, 1369585, 2739170, 5478340]

約数ペア:

[(1, 5478340), (2, 2739170), (4, 1369585), (5, 1095668), (7, 782620), (10, 547834), (14, 391310), (20, 273917), (28, 195655), (35, 156524), (70, 78262), (109, 50260), (140, 39131), (218, 25130), (359, 15260), (436, 12565), (545, 10052), (718, 7630), (763, 7180), (1090, 5026), (1436, 3815), (1526, 3590), (1795, 3052), (2180, 2513)]