142478540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{373}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 305363520

約数和(自身を除く): 162884980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 269, 284, 355, 373, 538, 710, 746, 1076, 1345, 1420, 1492, 1865, 2690, 3730, 5380, 7460, 19099, 26483, 38198, 52966, 76396, 95495, 100337, 105932, 132415, 190990, 200674, 264830, 381980, 401348, 501685, 529660, 1003370, 2006740, 7123927, 14247854, 28495708, 35619635, 71239270, 142478540]

約数ペア:

[(1, 142478540), (2, 71239270), (4, 35619635), (5, 28495708), (10, 14247854), (20, 7123927), (71, 2006740), (142, 1003370), (269, 529660), (284, 501685), (355, 401348), (373, 381980), (538, 264830), (710, 200674), (746, 190990), (1076, 132415), (1345, 105932), (1420, 100337), (1492, 95495), (1865, 76396), (2690, 52966), (3730, 38198), (5380, 26483), (7460, 19099)]