38465000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{157}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 105505290

約数和(自身を除く): 67040290

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 157, 175, 196, 200, 245, 250, 280, 314, 350, 392, 490, 500, 625, 628, 700, 785, 875, 980, 1000, 1099, 1225, 1250, 1256, 1400, 1570, 1750, 1960, 2198, 2450, 2500, 3140, 3500, 3925, 4375, 4396, 4900, 5000, 5495, 6125, 6280, 7000, 7693, 7850, 8750, 8792, 9800, 10990, 12250, 15386, 15700, 17500, 19625, 21980, 24500, 27475, 30625, 30772, 31400, 35000, 38465, 39250, 43960, 49000, 54950, 61250, 61544, 76930, 78500, 98125, 109900, 122500, 137375, 153860, 157000, 192325, 196250, 219800, 245000, 274750, 307720, 384650, 392500, 549500, 686875, 769300, 785000, 961625, 1099000, 1373750, 1538600, 1923250, 2747500, 3846500, 4808125, 5495000, 7693000, 9616250, 19232500, 38465000]

約数ペア:

[(1, 38465000), (2, 19232500), (4, 9616250), (5, 7693000), (7, 5495000), (8, 4808125), (10, 3846500), (14, 2747500), (20, 1923250), (25, 1538600), (28, 1373750), (35, 1099000), (40, 961625), (49, 785000), (50, 769300), (56, 686875), (70, 549500), (98, 392500), (100, 384650), (125, 307720), (140, 274750), (157, 245000), (175, 219800), (196, 196250), (200, 192325), (245, 157000), (250, 153860), (280, 137375), (314, 122500), (350, 109900), (392, 98125), (490, 78500), (500, 76930), (625, 61544), (628, 61250), (700, 54950), (785, 49000), (875, 43960), (980, 39250), (1000, 38465), (1099, 35000), (1225, 31400), (1250, 30772), (1256, 30625), (1400, 27475), (1570, 24500), (1750, 21980), (1960, 19625), (2198, 17500), (2450, 15700), (2500, 15386), (3140, 12250), (3500, 10990), (3925, 9800), (4375, 8792), (4396, 8750), (4900, 7850), (5000, 7693), (5495, 7000), (6125, 6280)]