20667504900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{71837}}^1$

素因数の和:71998

約数の個数: 144

約数和(自身を含む): 68840343936

約数和(自身を除く): 48172839036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 137, 140, 150, 175, 210, 274, 300, 350, 411, 420, 525, 548, 685, 700, 822, 959, 1050, 1370, 1644, 1918, 2055, 2100, 2740, 2877, 3425, 3836, 4110, 4795, 5754, 6850, 8220, 9590, 10275, 11508, 13700, 14385, 19180, 20550, 23975, 28770, 41100, 47950, 57540, 71837, 71925, 95900, 143674, 143850, 215511, 287348, 287700, 359185, 431022, 502859, 718370, 862044, 1005718, 1077555, 1436740, 1508577, 1795925, 2011436, 2155110, 2514295, 3017154, 3591850, 4310220, 5028590, 5387775, 6034308, 7183700, 7542885, 9841669, 10057180, 10775550, 12571475, 15085770, 19683338, 21551100, 25142950, 29525007, 30171540, 37714425, 39366676, 49208345, 50285900, 59050014, 68891683, 75428850, 98416690, 118100028, 137783366, 147625035, 150857700, 196833380, 206675049, 246041725, 275566732, 295250070, 344458415, 413350098, 492083450, 590500140, 688916830, 738125175, 826700196, 984166900, 1033375245, 1377833660, 1476250350, 1722292075, 2066750490, 2952500700, 3444584150, 4133500980, 5166876225, 6889168300, 10333752450, 20667504900]

約数ペア:

[(1, 20667504900), (2, 10333752450), (3, 6889168300), (4, 5166876225), (5, 4133500980), (6, 3444584150), (7, 2952500700), (10, 2066750490), (12, 1722292075), (14, 1476250350), (15, 1377833660), (20, 1033375245), (21, 984166900), (25, 826700196), (28, 738125175), (30, 688916830), (35, 590500140), (42, 492083450), (50, 413350098), (60, 344458415), (70, 295250070), (75, 275566732), (84, 246041725), (100, 206675049), (105, 196833380), (137, 150857700), (140, 147625035), (150, 137783366), (175, 118100028), (210, 98416690), (274, 75428850), (300, 68891683), (350, 59050014), (411, 50285900), (420, 49208345), (525, 39366676), (548, 37714425), (685, 30171540), (700, 29525007), (822, 25142950), (959, 21551100), (1050, 19683338), (1370, 15085770), (1644, 12571475), (1918, 10775550), (2055, 10057180), (2100, 9841669), (2740, 7542885), (2877, 7183700), (3425, 6034308), (3836, 5387775), (4110, 5028590), (4795, 4310220), (5754, 3591850), (6850, 3017154), (8220, 2514295), (9590, 2155110), (10275, 2011436), (11508, 1795925), (13700, 1508577), (14385, 1436740), (19180, 1077555), (20550, 1005718), (23975, 862044), (28770, 718370), (41100, 502859), (47950, 431022), (57540, 359185), (71837, 287700), (71925, 287348), (95900, 215511), (143674, 143850)]