777472190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1\times {\mathrm{1571}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 1542980880

約数和(自身を除く): 765508690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 409, 605, 818, 1210, 1571, 2045, 3142, 4090, 4499, 7855, 8998, 15710, 17281, 22495, 34562, 44990, 49489, 86405, 98978, 172810, 190091, 247445, 380182, 494890, 642539, 950455, 1285078, 1900910, 3212695, 6425390, 7067929, 14135858, 35339645, 70679290, 77747219, 155494438, 388736095, 777472190]

約数ペア:

[(1, 777472190), (2, 388736095), (5, 155494438), (10, 77747219), (11, 70679290), (22, 35339645), (55, 14135858), (110, 7067929), (121, 6425390), (242, 3212695), (409, 1900910), (605, 1285078), (818, 950455), (1210, 642539), (1571, 494890), (2045, 380182), (3142, 247445), (4090, 190091), (4499, 172810), (7855, 98978), (8998, 86405), (15710, 49489), (17281, 44990), (22495, 34562)]