445360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 1093680

約数和(自身を除く): 648320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 293, 304, 380, 586, 760, 1172, 1465, 1520, 2344, 2930, 4688, 5567, 5860, 11134, 11720, 22268, 23440, 27835, 44536, 55670, 89072, 111340, 222680, 445360]

約数ペア:

[(1, 445360), (2, 222680), (4, 111340), (5, 89072), (8, 55670), (10, 44536), (16, 27835), (19, 23440), (20, 22268), (38, 11720), (40, 11134), (76, 5860), (80, 5567), (95, 4688), (152, 2930), (190, 2344), (293, 1520), (304, 1465), (380, 1172), (586, 760)]