766240000

素因数分解:

$2^8\times 5^4\times {\mathrm{4789}}^1$

素因数の和:4825

約数の個数: 90

約数和(自身を含む): 1911645890

約数和(自身を除く): 1145405890

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 1000, 1250, 1280, 1600, 2000, 2500, 3200, 4000, 4789, 5000, 6400, 8000, 9578, 10000, 16000, 19156, 20000, 23945, 32000, 38312, 40000, 47890, 76624, 80000, 95780, 119725, 153248, 160000, 191560, 239450, 306496, 383120, 478900, 598625, 612992, 766240, 957800, 1197250, 1225984, 1532480, 1915600, 2394500, 2993125, 3064960, 3831200, 4789000, 5986250, 6129920, 7662400, 9578000, 11972500, 15324800, 19156000, 23945000, 30649600, 38312000, 47890000, 76624000, 95780000, 153248000, 191560000, 383120000, 766240000]

約数ペア:

[(1, 766240000), (2, 383120000), (4, 191560000), (5, 153248000), (8, 95780000), (10, 76624000), (16, 47890000), (20, 38312000), (25, 30649600), (32, 23945000), (40, 19156000), (50, 15324800), (64, 11972500), (80, 9578000), (100, 7662400), (125, 6129920), (128, 5986250), (160, 4789000), (200, 3831200), (250, 3064960), (256, 2993125), (320, 2394500), (400, 1915600), (500, 1532480), (625, 1225984), (640, 1197250), (800, 957800), (1000, 766240), (1250, 612992), (1280, 598625), (1600, 478900), (2000, 383120), (2500, 306496), (3200, 239450), (4000, 191560), (4789, 160000), (5000, 153248), (6400, 119725), (8000, 95780), (9578, 80000), (10000, 76624), (16000, 47890), (19156, 40000), (20000, 38312), (23945, 32000)]