189479600

素因数分解:

$2^4\times 5^2\times {\mathrm{641}}^1\times {\mathrm{739}}^1$

素因数の和:1398

約数の個数: 60

約数和(自身を含む): 456551880

約数和(自身を除く): 267072280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 641, 739, 1282, 1478, 2564, 2956, 3205, 3695, 5128, 5912, 6410, 7390, 10256, 11824, 12820, 14780, 16025, 18475, 25640, 29560, 32050, 36950, 51280, 59120, 64100, 73900, 128200, 147800, 256400, 295600, 473699, 947398, 1894796, 2368495, 3789592, 4736990, 7579184, 9473980, 11842475, 18947960, 23684950, 37895920, 47369900, 94739800, 189479600]

約数ペア:

[(1, 189479600), (2, 94739800), (4, 47369900), (5, 37895920), (8, 23684950), (10, 18947960), (16, 11842475), (20, 9473980), (25, 7579184), (40, 4736990), (50, 3789592), (80, 2368495), (100, 1894796), (200, 947398), (400, 473699), (641, 295600), (739, 256400), (1282, 147800), (1478, 128200), (2564, 73900), (2956, 64100), (3205, 59120), (3695, 51280), (5128, 36950), (5912, 32050), (6410, 29560), (7390, 25640), (10256, 18475), (11824, 16025), (12820, 14780)]