189969488

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 402831360

約数和(自身を除く): 212861872

約数列:

[1, 2, 4, 8, 16, 29, 31, 47, 58, 62, 94, 116, 124, 188, 232, 248, 281, 376, 464, 496, 562, 752, 899, 1124, 1363, 1457, 1798, 2248, 2726, 2914, 3596, 4496, 5452, 5828, 7192, 8149, 8711, 10904, 11656, 13207, 14384, 16298, 17422, 21808, 23312, 26414, 32596, 34844, 42253, 52828, 65192, 69688, 84506, 105656, 130384, 139376, 169012, 211312, 252619, 338024, 383003, 409417, 505238, 676048, 766006, 818834, 1010476, 1532012, 1637668, 2020952, 3064024, 3275336, 4041904, 6128048, 6550672, 11873093, 23746186, 47492372, 94984744, 189969488]

約数ペア:

[(1, 189969488), (2, 94984744), (4, 47492372), (8, 23746186), (16, 11873093), (29, 6550672), (31, 6128048), (47, 4041904), (58, 3275336), (62, 3064024), (94, 2020952), (116, 1637668), (124, 1532012), (188, 1010476), (232, 818834), (248, 766006), (281, 676048), (376, 505238), (464, 409417), (496, 383003), (562, 338024), (752, 252619), (899, 211312), (1124, 169012), (1363, 139376), (1457, 130384), (1798, 105656), (2248, 84506), (2726, 69688), (2914, 65192), (3596, 52828), (4496, 42253), (5452, 34844), (5828, 32596), (7192, 26414), (8149, 23312), (8711, 21808), (10904, 17422), (11656, 16298), (13207, 14384)]