890720

素因数分解:

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

素因数の和:327

約数の個数: 48

約数和(自身を含む): 2222640

約数和(自身を除く): 1331920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 293, 304, 380, 586, 608, 760, 1172, 1465, 1520, 2344, 2930, 3040, 4688, 5567, 5860, 9376, 11134, 11720, 22268, 23440, 27835, 44536, 46880, 55670, 89072, 111340, 178144, 222680, 445360, 890720]

約数ペア:

[(1, 890720), (2, 445360), (4, 222680), (5, 178144), (8, 111340), (10, 89072), (16, 55670), (19, 46880), (20, 44536), (32, 27835), (38, 23440), (40, 22268), (76, 11720), (80, 11134), (95, 9376), (152, 5860), (160, 5567), (190, 4688), (293, 3040), (304, 2930), (380, 2344), (586, 1520), (608, 1465), (760, 1172)]