278805890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1069}}^1\times {\mathrm{2371}}^1$

素因数の和:3458

約数の個数: 32

約数和(自身を含む): 548216640

約数和(自身を除く): 269410750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1069, 2138, 2371, 4742, 5345, 10690, 11759, 11855, 23518, 23710, 26081, 52162, 58795, 117590, 130405, 260810, 2534599, 5069198, 12672995, 25345990, 27880589, 55761178, 139402945, 278805890]

約数ペア:

[(1, 278805890), (2, 139402945), (5, 55761178), (10, 27880589), (11, 25345990), (22, 12672995), (55, 5069198), (110, 2534599), (1069, 260810), (2138, 130405), (2371, 117590), (4742, 58795), (5345, 52162), (10690, 26081), (11759, 23710), (11855, 23518)]