38780000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{277}}^1$

素因数の和:314

約数の個数: 120

約数和(自身を含む): 109427472

約数和(自身を除く): 70647472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 277, 280, 350, 400, 500, 554, 560, 625, 700, 800, 875, 1000, 1108, 1120, 1250, 1385, 1400, 1750, 1939, 2000, 2216, 2500, 2770, 2800, 3500, 3878, 4000, 4375, 4432, 5000, 5540, 5600, 6925, 7000, 7756, 8750, 8864, 9695, 10000, 11080, 13850, 14000, 15512, 17500, 19390, 20000, 22160, 27700, 28000, 31024, 34625, 35000, 38780, 44320, 48475, 55400, 62048, 69250, 70000, 77560, 96950, 110800, 138500, 140000, 155120, 173125, 193900, 221600, 242375, 277000, 310240, 346250, 387800, 484750, 554000, 692500, 775600, 969500, 1108000, 1211875, 1385000, 1551200, 1939000, 2423750, 2770000, 3878000, 4847500, 5540000, 7756000, 9695000, 19390000, 38780000]

約数ペア:

[(1, 38780000), (2, 19390000), (4, 9695000), (5, 7756000), (7, 5540000), (8, 4847500), (10, 3878000), (14, 2770000), (16, 2423750), (20, 1939000), (25, 1551200), (28, 1385000), (32, 1211875), (35, 1108000), (40, 969500), (50, 775600), (56, 692500), (70, 554000), (80, 484750), (100, 387800), (112, 346250), (125, 310240), (140, 277000), (160, 242375), (175, 221600), (200, 193900), (224, 173125), (250, 155120), (277, 140000), (280, 138500), (350, 110800), (400, 96950), (500, 77560), (554, 70000), (560, 69250), (625, 62048), (700, 55400), (800, 48475), (875, 44320), (1000, 38780), (1108, 35000), (1120, 34625), (1250, 31024), (1385, 28000), (1400, 27700), (1750, 22160), (1939, 20000), (2000, 19390), (2216, 17500), (2500, 15512), (2770, 14000), (2800, 13850), (3500, 11080), (3878, 10000), (4000, 9695), (4375, 8864), (4432, 8750), (5000, 7756), (5540, 7000), (5600, 6925)]