194667920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1560

約数の個数: 80

約数和(自身を含む): 482112000

約数和(自身を除く): 287444080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1439, 1520, 1691, 1780, 2878, 3382, 3560, 5756, 6764, 7120, 7195, 8455, 11512, 13528, 14390, 16910, 23024, 27056, 27341, 28780, 33820, 54682, 57560, 67640, 109364, 115120, 128071, 135280, 136705, 218728, 256142, 273410, 437456, 512284, 546820, 640355, 1024568, 1093640, 1280710, 2049136, 2187280, 2433349, 2561420, 4866698, 5122840, 9733396, 10245680, 12166745, 19466792, 24333490, 38933584, 48666980, 97333960, 194667920]

約数ペア:

[(1, 194667920), (2, 97333960), (4, 48666980), (5, 38933584), (8, 24333490), (10, 19466792), (16, 12166745), (19, 10245680), (20, 9733396), (38, 5122840), (40, 4866698), (76, 2561420), (80, 2433349), (89, 2187280), (95, 2049136), (152, 1280710), (178, 1093640), (190, 1024568), (304, 640355), (356, 546820), (380, 512284), (445, 437456), (712, 273410), (760, 256142), (890, 218728), (1424, 136705), (1439, 135280), (1520, 128071), (1691, 115120), (1780, 109364), (2878, 67640), (3382, 57560), (3560, 54682), (5756, 33820), (6764, 28780), (7120, 27341), (7195, 27056), (8455, 23024), (11512, 16910), (13528, 14390)]