2988552820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{97729}}^1$

素因数の和:97888

約数の個数: 48

約数和(自身を含む): 6895828800

約数和(自身を除く): 3907275980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 7645, 15290, 30580, 97729, 195458, 390916, 488645, 977290, 1075019, 1954580, 2150038, 4300076, 5375095, 10750190, 13584331, 21500380, 27168662, 54337324, 67921655, 135843310, 149427641, 271686620, 298855282, 597710564, 747138205, 1494276410, 2988552820]

約数ペア:

[(1, 2988552820), (2, 1494276410), (4, 747138205), (5, 597710564), (10, 298855282), (11, 271686620), (20, 149427641), (22, 135843310), (44, 67921655), (55, 54337324), (110, 27168662), (139, 21500380), (220, 13584331), (278, 10750190), (556, 5375095), (695, 4300076), (1390, 2150038), (1529, 1954580), (2780, 1075019), (3058, 977290), (6116, 488645), (7645, 390916), (15290, 195458), (30580, 97729)]