83981100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 216

約数和(自身を含む): 293887440

約数和(自身を除く): 209906340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 49, 50, 58, 60, 70, 75, 84, 87, 98, 100, 105, 116, 140, 145, 147, 150, 174, 175, 196, 197, 203, 210, 245, 290, 294, 300, 348, 350, 394, 406, 420, 435, 490, 525, 580, 588, 591, 609, 700, 725, 735, 788, 812, 870, 980, 985, 1015, 1050, 1182, 1218, 1225, 1379, 1421, 1450, 1470, 1740, 1970, 2030, 2100, 2175, 2364, 2436, 2450, 2758, 2842, 2900, 2940, 2955, 3045, 3675, 3940, 4060, 4137, 4263, 4350, 4900, 4925, 5075, 5516, 5684, 5713, 5910, 6090, 6895, 7105, 7350, 8274, 8526, 8700, 9653, 9850, 10150, 11426, 11820, 12180, 13790, 14210, 14700, 14775, 15225, 16548, 17052, 17139, 19306, 19700, 20300, 20685, 21315, 22852, 27580, 28420, 28565, 28959, 29550, 30450, 34278, 34475, 35525, 38612, 39991, 41370, 42630, 48265, 57130, 57918, 59100, 60900, 68556, 68950, 71050, 79982, 82740, 85260, 85695, 96530, 103425, 106575, 114260, 115836, 119973, 137900, 142100, 142825, 144795, 159964, 171390, 193060, 199955, 206850, 213150, 239946, 241325, 279937, 285650, 289590, 342780, 399910, 413700, 426300, 428475, 479892, 482650, 559874, 571300, 579180, 599865, 723975, 799820, 839811, 856950, 965300, 999775, 1119748, 1199730, 1399685, 1447950, 1679622, 1713900, 1999550, 2399460, 2799370, 2895900, 2999325, 3359244, 3999100, 4199055, 5598740, 5998650, 6998425, 8398110, 11997300, 13996850, 16796220, 20995275, 27993700, 41990550, 83981100]

約数ペア:

[(1, 83981100), (2, 41990550), (3, 27993700), (4, 20995275), (5, 16796220), (6, 13996850), (7, 11997300), (10, 8398110), (12, 6998425), (14, 5998650), (15, 5598740), (20, 4199055), (21, 3999100), (25, 3359244), (28, 2999325), (29, 2895900), (30, 2799370), (35, 2399460), (42, 1999550), (49, 1713900), (50, 1679622), (58, 1447950), (60, 1399685), (70, 1199730), (75, 1119748), (84, 999775), (87, 965300), (98, 856950), (100, 839811), (105, 799820), (116, 723975), (140, 599865), (145, 579180), (147, 571300), (150, 559874), (174, 482650), (175, 479892), (196, 428475), (197, 426300), (203, 413700), (210, 399910), (245, 342780), (290, 289590), (294, 285650), (300, 279937), (348, 241325), (350, 239946), (394, 213150), (406, 206850), (420, 199955), (435, 193060), (490, 171390), (525, 159964), (580, 144795), (588, 142825), (591, 142100), (609, 137900), (700, 119973), (725, 115836), (735, 114260), (788, 106575), (812, 103425), (870, 96530), (980, 85695), (985, 85260), (1015, 82740), (1050, 79982), (1182, 71050), (1218, 68950), (1225, 68556), (1379, 60900), (1421, 59100), (1450, 57918), (1470, 57130), (1740, 48265), (1970, 42630), (2030, 41370), (2100, 39991), (2175, 38612), (2364, 35525), (2436, 34475), (2450, 34278), (2758, 30450), (2842, 29550), (2900, 28959), (2940, 28565), (2955, 28420), (3045, 27580), (3675, 22852), (3940, 21315), (4060, 20685), (4137, 20300), (4263, 19700), (4350, 19306), (4900, 17139), (4925, 17052), (5075, 16548), (5516, 15225), (5684, 14775), (5713, 14700), (5910, 14210), (6090, 13790), (6895, 12180), (7105, 11820), (7350, 11426), (8274, 10150), (8526, 9850), (8700, 9653)]