227989120

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2269}}^1$

素因数の和:2445

約数の個数: 64

約数和(自身を含む): 548749800

約数和(自身を除く): 320760680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 785, 1256, 1570, 2269, 2512, 3140, 4538, 5024, 6280, 9076, 10048, 11345, 12560, 18152, 20096, 22690, 25120, 36304, 45380, 50240, 72608, 90760, 100480, 145216, 181520, 290432, 356233, 363040, 712466, 726080, 1424932, 1452160, 1781165, 2849864, 3562330, 5699728, 7124660, 11399456, 14249320, 22798912, 28498640, 45597824, 56997280, 113994560, 227989120]

約数ペア:

[(1, 227989120), (2, 113994560), (4, 56997280), (5, 45597824), (8, 28498640), (10, 22798912), (16, 14249320), (20, 11399456), (32, 7124660), (40, 5699728), (64, 3562330), (80, 2849864), (128, 1781165), (157, 1452160), (160, 1424932), (314, 726080), (320, 712466), (628, 363040), (640, 356233), (785, 290432), (1256, 181520), (1570, 145216), (2269, 100480), (2512, 90760), (3140, 72608), (4538, 50240), (5024, 45380), (6280, 36304), (9076, 25120), (10048, 22690), (11345, 20096), (12560, 18152)]