489440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 96

約数和(自身を含む): 1451520

約数和(自身を除く): 962080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 160, 161, 184, 190, 224, 230, 266, 280, 304, 322, 368, 380, 437, 460, 532, 560, 608, 644, 665, 736, 760, 805, 874, 920, 1064, 1120, 1288, 1330, 1520, 1610, 1748, 1840, 2128, 2185, 2576, 2660, 3040, 3059, 3220, 3496, 3680, 4256, 4370, 5152, 5320, 6118, 6440, 6992, 8740, 10640, 12236, 12880, 13984, 15295, 17480, 21280, 24472, 25760, 30590, 34960, 48944, 61180, 69920, 97888, 122360, 244720, 489440]

約数ペア:

[(1, 489440), (2, 244720), (4, 122360), (5, 97888), (7, 69920), (8, 61180), (10, 48944), (14, 34960), (16, 30590), (19, 25760), (20, 24472), (23, 21280), (28, 17480), (32, 15295), (35, 13984), (38, 12880), (40, 12236), (46, 10640), (56, 8740), (70, 6992), (76, 6440), (80, 6118), (92, 5320), (95, 5152), (112, 4370), (115, 4256), (133, 3680), (140, 3496), (152, 3220), (160, 3059), (161, 3040), (184, 2660), (190, 2576), (224, 2185), (230, 2128), (266, 1840), (280, 1748), (304, 1610), (322, 1520), (368, 1330), (380, 1288), (437, 1120), (460, 1064), (532, 920), (560, 874), (608, 805), (644, 760), (665, 736)]