154889600

素因数分解:

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

素因数の和:620

約数の個数: 96

約数和(自身を含む): 387345000

約数和(自身を除く): 232455400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 128, 160, 194, 200, 320, 388, 400, 485, 499, 640, 776, 800, 970, 998, 1552, 1600, 1940, 1996, 2425, 2495, 3104, 3200, 3880, 3992, 4850, 4990, 6208, 7760, 7984, 9700, 9980, 12416, 12475, 15520, 15968, 19400, 19960, 24950, 31040, 31936, 38800, 39920, 48403, 49900, 62080, 63872, 77600, 79840, 96806, 99800, 155200, 159680, 193612, 199600, 242015, 310400, 319360, 387224, 399200, 484030, 774448, 798400, 968060, 1210075, 1548896, 1596800, 1936120, 2420150, 3097792, 3872240, 4840300, 6195584, 7744480, 9680600, 15488960, 19361200, 30977920, 38722400, 77444800, 154889600]

約数ペア:

[(1, 154889600), (2, 77444800), (4, 38722400), (5, 30977920), (8, 19361200), (10, 15488960), (16, 9680600), (20, 7744480), (25, 6195584), (32, 4840300), (40, 3872240), (50, 3097792), (64, 2420150), (80, 1936120), (97, 1596800), (100, 1548896), (128, 1210075), (160, 968060), (194, 798400), (200, 774448), (320, 484030), (388, 399200), (400, 387224), (485, 319360), (499, 310400), (640, 242015), (776, 199600), (800, 193612), (970, 159680), (998, 155200), (1552, 99800), (1600, 96806), (1940, 79840), (1996, 77600), (2425, 63872), (2495, 62080), (3104, 49900), (3200, 48403), (3880, 39920), (3992, 38800), (4850, 31936), (4990, 31040), (6208, 24950), (7760, 19960), (7984, 19400), (9700, 15968), (9980, 15520), (12416, 12475)]