149783960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22973}}^1$

素因数の和:23147

約数の個数: 32

約数和(自身を含む): 339096240

約数和(自身を除く): 189312280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 22973, 45946, 91892, 114865, 183784, 229730, 459460, 918920, 3744599, 7489198, 14978396, 18722995, 29956792, 37445990, 74891980, 149783960]

約数ペア:

[(1, 149783960), (2, 74891980), (4, 37445990), (5, 29956792), (8, 18722995), (10, 14978396), (20, 7489198), (40, 3744599), (163, 918920), (326, 459460), (652, 229730), (815, 183784), (1304, 114865), (1630, 91892), (3260, 45946), (6520, 22973)]