266507500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 677208224

約数和(自身を除く): 410700724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 125, 140, 157, 175, 194, 250, 314, 350, 388, 485, 500, 625, 628, 679, 700, 785, 875, 970, 1099, 1250, 1358, 1570, 1750, 1940, 2198, 2425, 2500, 2716, 3140, 3395, 3500, 3925, 4375, 4396, 4850, 5495, 6790, 7850, 8750, 9700, 10990, 12125, 13580, 15229, 15700, 16975, 17500, 19625, 21980, 24250, 27475, 30458, 33950, 39250, 48500, 54950, 60625, 60916, 67900, 76145, 78500, 84875, 98125, 106603, 109900, 121250, 137375, 152290, 169750, 196250, 213206, 242500, 274750, 304580, 339500, 380725, 392500, 424375, 426412, 533015, 549500, 686875, 761450, 848750, 1066030, 1373750, 1522900, 1697500, 1903625, 2132060, 2665075, 2747500, 3807250, 5330150, 7614500, 9518125, 10660300, 13325375, 19036250, 26650750, 38072500, 53301500, 66626875, 133253750, 266507500]

約数ペア:

[(1, 266507500), (2, 133253750), (4, 66626875), (5, 53301500), (7, 38072500), (10, 26650750), (14, 19036250), (20, 13325375), (25, 10660300), (28, 9518125), (35, 7614500), (50, 5330150), (70, 3807250), (97, 2747500), (100, 2665075), (125, 2132060), (140, 1903625), (157, 1697500), (175, 1522900), (194, 1373750), (250, 1066030), (314, 848750), (350, 761450), (388, 686875), (485, 549500), (500, 533015), (625, 426412), (628, 424375), (679, 392500), (700, 380725), (785, 339500), (875, 304580), (970, 274750), (1099, 242500), (1250, 213206), (1358, 196250), (1570, 169750), (1750, 152290), (1940, 137375), (2198, 121250), (2425, 109900), (2500, 106603), (2716, 98125), (3140, 84875), (3395, 78500), (3500, 76145), (3925, 67900), (4375, 60916), (4396, 60625), (4850, 54950), (5495, 48500), (6790, 39250), (7850, 33950), (8750, 30458), (9700, 27475), (10990, 24250), (12125, 21980), (13580, 19625), (15229, 17500), (15700, 16975)]