90381740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145777}}^1$

素因数の和:145817

約数の個数: 24

約数和(自身を含む): 195925632

約数和(自身を除く): 105543892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 145777, 291554, 583108, 728885, 1457770, 2915540, 4519087, 9038174, 18076348, 22595435, 45190870, 90381740]

約数ペア:

[(1, 90381740), (2, 45190870), (4, 22595435), (5, 18076348), (10, 9038174), (20, 4519087), (31, 2915540), (62, 1457770), (124, 728885), (155, 583108), (310, 291554), (620, 145777)]