30977920

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 74970000

約数和(自身を除く): 43992080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 499, 640, 776, 970, 998, 1552, 1940, 1996, 2495, 3104, 3880, 3992, 4990, 6208, 7760, 7984, 9980, 12416, 15520, 15968, 19960, 31040, 31936, 39920, 48403, 62080, 63872, 79840, 96806, 159680, 193612, 242015, 319360, 387224, 484030, 774448, 968060, 1548896, 1936120, 3097792, 3872240, 6195584, 7744480, 15488960, 30977920]

約数ペア:

[(1, 30977920), (2, 15488960), (4, 7744480), (5, 6195584), (8, 3872240), (10, 3097792), (16, 1936120), (20, 1548896), (32, 968060), (40, 774448), (64, 484030), (80, 387224), (97, 319360), (128, 242015), (160, 193612), (194, 159680), (320, 96806), (388, 79840), (485, 63872), (499, 62080), (640, 48403), (776, 39920), (970, 31936), (998, 31040), (1552, 19960), (1940, 15968), (1996, 15520), (2495, 12416), (3104, 9980), (3880, 7984), (3992, 7760), (4990, 6208)]