391691840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1$

素因数の和:2860

約数の個数: 112

約数和(自身を含む): 1024859520

約数和(自身を除く): 633167680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1216, 1472, 1520, 1748, 1840, 2185, 2801, 3040, 3496, 3680, 4370, 5602, 6080, 6992, 7360, 8740, 11204, 13984, 14005, 17480, 22408, 27968, 28010, 34960, 44816, 53219, 56020, 64423, 69920, 89632, 106438, 112040, 128846, 139840, 179264, 212876, 224080, 257692, 266095, 322115, 425752, 448160, 515384, 532190, 644230, 851504, 896320, 1030768, 1064380, 1224037, 1288460, 1703008, 2061536, 2128760, 2448074, 2576920, 3406016, 4123072, 4257520, 4896148, 5153840, 6120185, 8515040, 9792296, 10307680, 12240370, 17030080, 19584592, 20615360, 24480740, 39169184, 48961480, 78338368, 97922960, 195845920, 391691840]

約数ペア:

[(1, 391691840), (2, 195845920), (4, 97922960), (5, 78338368), (8, 48961480), (10, 39169184), (16, 24480740), (19, 20615360), (20, 19584592), (23, 17030080), (32, 12240370), (38, 10307680), (40, 9792296), (46, 8515040), (64, 6120185), (76, 5153840), (80, 4896148), (92, 4257520), (95, 4123072), (115, 3406016), (152, 2576920), (160, 2448074), (184, 2128760), (190, 2061536), (230, 1703008), (304, 1288460), (320, 1224037), (368, 1064380), (380, 1030768), (437, 896320), (460, 851504), (608, 644230), (736, 532190), (760, 515384), (874, 448160), (920, 425752), (1216, 322115), (1472, 266095), (1520, 257692), (1748, 224080), (1840, 212876), (2185, 179264), (2801, 139840), (3040, 128846), (3496, 112040), (3680, 106438), (4370, 89632), (5602, 69920), (6080, 64423), (6992, 56020), (7360, 53219), (8740, 44816), (11204, 34960), (13984, 28010), (14005, 27968), (17480, 22408)]