65642500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 180

約数和(自身を含む): 186140416

約数和(自身を除く): 120497916

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 121, 124, 125, 140, 154, 155, 175, 217, 220, 242, 250, 275, 308, 310, 341, 350, 385, 434, 484, 500, 550, 605, 620, 625, 682, 700, 770, 775, 847, 868, 875, 1085, 1100, 1210, 1250, 1364, 1375, 1540, 1550, 1694, 1705, 1750, 1925, 2170, 2387, 2420, 2500, 2750, 3025, 3100, 3388, 3410, 3500, 3751, 3850, 3875, 4235, 4340, 4375, 4774, 5425, 5500, 6050, 6820, 6875, 7502, 7700, 7750, 8470, 8525, 8750, 9548, 9625, 10850, 11935, 12100, 13750, 15004, 15125, 15500, 16940, 17050, 17500, 18755, 19250, 19375, 21175, 21700, 23870, 26257, 27125, 27500, 30250, 34100, 37510, 38500, 38750, 42350, 42625, 47740, 48125, 52514, 54250, 59675, 60500, 75020, 75625, 77500, 84700, 85250, 93775, 96250, 105028, 105875, 108500, 119350, 131285, 135625, 151250, 170500, 187550, 192500, 211750, 213125, 238700, 262570, 271250, 298375, 302500, 375100, 423500, 426250, 468875, 525140, 529375, 542500, 596750, 656425, 852500, 937750, 1058750, 1193500, 1312850, 1491875, 1875500, 2117500, 2344375, 2625700, 2983750, 3282125, 4688750, 5967500, 6564250, 9377500, 13128500, 16410625, 32821250, 65642500]

約数ペア:

[(1, 65642500), (2, 32821250), (4, 16410625), (5, 13128500), (7, 9377500), (10, 6564250), (11, 5967500), (14, 4688750), (20, 3282125), (22, 2983750), (25, 2625700), (28, 2344375), (31, 2117500), (35, 1875500), (44, 1491875), (50, 1312850), (55, 1193500), (62, 1058750), (70, 937750), (77, 852500), (100, 656425), (110, 596750), (121, 542500), (124, 529375), (125, 525140), (140, 468875), (154, 426250), (155, 423500), (175, 375100), (217, 302500), (220, 298375), (242, 271250), (250, 262570), (275, 238700), (308, 213125), (310, 211750), (341, 192500), (350, 187550), (385, 170500), (434, 151250), (484, 135625), (500, 131285), (550, 119350), (605, 108500), (620, 105875), (625, 105028), (682, 96250), (700, 93775), (770, 85250), (775, 84700), (847, 77500), (868, 75625), (875, 75020), (1085, 60500), (1100, 59675), (1210, 54250), (1250, 52514), (1364, 48125), (1375, 47740), (1540, 42625), (1550, 42350), (1694, 38750), (1705, 38500), (1750, 37510), (1925, 34100), (2170, 30250), (2387, 27500), (2420, 27125), (2500, 26257), (2750, 23870), (3025, 21700), (3100, 21175), (3388, 19375), (3410, 19250), (3500, 18755), (3751, 17500), (3850, 17050), (3875, 16940), (4235, 15500), (4340, 15125), (4375, 15004), (4774, 13750), (5425, 12100), (5500, 11935), (6050, 10850), (6820, 9625), (6875, 9548), (7502, 8750), (7700, 8525), (7750, 8470)]