278325410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^4\times {\mathrm{1901}}^1$

素因数の和:1952

約数の個数: 40

約数和(自身を含む): 551370780

約数和(自身を除く): 273045370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1901, 2662, 3802, 6655, 9505, 13310, 14641, 19010, 20911, 29282, 41822, 73205, 104555, 146410, 209110, 230021, 460042, 1150105, 2300210, 2530231, 5060462, 12651155, 25302310, 27832541, 55665082, 139162705, 278325410]

約数ペア:

[(1, 278325410), (2, 139162705), (5, 55665082), (10, 27832541), (11, 25302310), (22, 12651155), (55, 5060462), (110, 2530231), (121, 2300210), (242, 1150105), (605, 460042), (1210, 230021), (1331, 209110), (1901, 146410), (2662, 104555), (3802, 73205), (6655, 41822), (9505, 29282), (13310, 20911), (14641, 19010)]