198938800

素因数分解:

$2^4\times 5^2\times {\mathrm{673}}^1\times {\mathrm{739}}^1$

素因数の和:1430

約数の個数: 60

約数和(自身を含む): 479308360

約数和(自身を除く): 280369560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 673, 739, 1346, 1478, 2692, 2956, 3365, 3695, 5384, 5912, 6730, 7390, 10768, 11824, 13460, 14780, 16825, 18475, 26920, 29560, 33650, 36950, 53840, 59120, 67300, 73900, 134600, 147800, 269200, 295600, 497347, 994694, 1989388, 2486735, 3978776, 4973470, 7957552, 9946940, 12433675, 19893880, 24867350, 39787760, 49734700, 99469400, 198938800]

約数ペア:

[(1, 198938800), (2, 99469400), (4, 49734700), (5, 39787760), (8, 24867350), (10, 19893880), (16, 12433675), (20, 9946940), (25, 7957552), (40, 4973470), (50, 3978776), (80, 2486735), (100, 1989388), (200, 994694), (400, 497347), (673, 295600), (739, 269200), (1346, 147800), (1478, 134600), (2692, 73900), (2956, 67300), (3365, 59120), (3695, 53840), (5384, 36950), (5912, 33650), (6730, 29560), (7390, 26920), (10768, 18475), (11824, 16825), (13460, 14780)]