7744480

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 18522000

約数和(自身を除く): 10777520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 499, 776, 970, 998, 1552, 1940, 1996, 2495, 3104, 3880, 3992, 4990, 7760, 7984, 9980, 15520, 15968, 19960, 39920, 48403, 79840, 96806, 193612, 242015, 387224, 484030, 774448, 968060, 1548896, 1936120, 3872240, 7744480]

約数ペア:

[(1, 7744480), (2, 3872240), (4, 1936120), (5, 1548896), (8, 968060), (10, 774448), (16, 484030), (20, 387224), (32, 242015), (40, 193612), (80, 96806), (97, 79840), (160, 48403), (194, 39920), (388, 19960), (485, 15968), (499, 15520), (776, 9980), (970, 7984), (998, 7760), (1552, 4990), (1940, 3992), (1996, 3880), (2495, 3104)]