380492080

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{22541}}^1$

素因数の和:22765

約数の個数: 40

約数和(自身を含む): 888876144

約数和(自身を除く): 508384064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 16880, 22541, 45082, 90164, 112705, 180328, 225410, 360656, 450820, 901640, 1803280, 4756151, 9512302, 19024604, 23780755, 38049208, 47561510, 76098416, 95123020, 190246040, 380492080]

約数ペア:

[(1, 380492080), (2, 190246040), (4, 95123020), (5, 76098416), (8, 47561510), (10, 38049208), (16, 23780755), (20, 19024604), (40, 9512302), (80, 4756151), (211, 1803280), (422, 901640), (844, 450820), (1055, 360656), (1688, 225410), (2110, 180328), (3376, 112705), (4220, 90164), (8440, 45082), (16880, 22541)]