219367040

素因数分解:

$2^7\times 5^1\times {\mathrm{342761}}^1$

素因数の和:342780

約数の個数: 32

約数和(自身を含む): 524425860

約数和(自身を除く): 305058820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 342761, 685522, 1371044, 1713805, 2742088, 3427610, 5484176, 6855220, 10968352, 13710440, 21936704, 27420880, 43873408, 54841760, 109683520, 219367040]

約数ペア:

[(1, 219367040), (2, 109683520), (4, 54841760), (5, 43873408), (8, 27420880), (10, 21936704), (16, 13710440), (20, 10968352), (32, 6855220), (40, 5484176), (64, 3427610), (80, 2742088), (128, 1713805), (160, 1371044), (320, 685522), (640, 342761)]