67644500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 188225856

約数和(自身を除く): 120581356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 125, 140, 154, 175, 196, 220, 245, 250, 251, 275, 308, 350, 385, 490, 500, 502, 539, 550, 700, 770, 875, 980, 1004, 1078, 1100, 1225, 1255, 1375, 1540, 1750, 1757, 1925, 2156, 2450, 2510, 2695, 2750, 2761, 3500, 3514, 3850, 4900, 5020, 5390, 5500, 5522, 6125, 6275, 7028, 7700, 8785, 9625, 10780, 11044, 12250, 12299, 12550, 13475, 13805, 17570, 19250, 19327, 24500, 24598, 25100, 26950, 27610, 31375, 35140, 38500, 38654, 43925, 49196, 53900, 55220, 61495, 62750, 67375, 69025, 77308, 87850, 96635, 122990, 125500, 134750, 135289, 138050, 175700, 193270, 219625, 245980, 269500, 270578, 276100, 307475, 345125, 386540, 439250, 483175, 541156, 614950, 676445, 690250, 878500, 966350, 1229900, 1352890, 1380500, 1537375, 1932700, 2415875, 2705780, 3074750, 3382225, 4831750, 6149500, 6764450, 9663500, 13528900, 16911125, 33822250, 67644500]

約数ペア:

[(1, 67644500), (2, 33822250), (4, 16911125), (5, 13528900), (7, 9663500), (10, 6764450), (11, 6149500), (14, 4831750), (20, 3382225), (22, 3074750), (25, 2705780), (28, 2415875), (35, 1932700), (44, 1537375), (49, 1380500), (50, 1352890), (55, 1229900), (70, 966350), (77, 878500), (98, 690250), (100, 676445), (110, 614950), (125, 541156), (140, 483175), (154, 439250), (175, 386540), (196, 345125), (220, 307475), (245, 276100), (250, 270578), (251, 269500), (275, 245980), (308, 219625), (350, 193270), (385, 175700), (490, 138050), (500, 135289), (502, 134750), (539, 125500), (550, 122990), (700, 96635), (770, 87850), (875, 77308), (980, 69025), (1004, 67375), (1078, 62750), (1100, 61495), (1225, 55220), (1255, 53900), (1375, 49196), (1540, 43925), (1750, 38654), (1757, 38500), (1925, 35140), (2156, 31375), (2450, 27610), (2510, 26950), (2695, 25100), (2750, 24598), (2761, 24500), (3500, 19327), (3514, 19250), (3850, 17570), (4900, 13805), (5020, 13475), (5390, 12550), (5500, 12299), (5522, 12250), (6125, 11044), (6275, 10780), (7028, 9625), (7700, 8785)]