148218920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{217969}}^1$

素因数の和:217997

約数の個数: 32

約数和(自身を含む): 353111400

約数和(自身を除く): 204892480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 217969, 435938, 871876, 1089845, 1743752, 2179690, 3705473, 4359380, 7410946, 8718760, 14821892, 18527365, 29643784, 37054730, 74109460, 148218920]

約数ペア:

[(1, 148218920), (2, 74109460), (4, 37054730), (5, 29643784), (8, 18527365), (10, 14821892), (17, 8718760), (20, 7410946), (34, 4359380), (40, 3705473), (68, 2179690), (85, 1743752), (136, 1089845), (170, 871876), (340, 435938), (680, 217969)]