1979360000

素因数分解:

$2^8\times 5^4\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 180

約数和(自身を含む): 5028546600

約数和(自身を除く): 3049186600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 125, 128, 139, 160, 178, 200, 250, 256, 278, 320, 356, 400, 445, 500, 556, 625, 640, 695, 712, 800, 890, 1000, 1112, 1250, 1280, 1390, 1424, 1600, 1780, 2000, 2224, 2225, 2500, 2780, 2848, 3200, 3475, 3560, 4000, 4448, 4450, 5000, 5560, 5696, 6400, 6950, 7120, 8000, 8896, 8900, 10000, 11120, 11125, 11392, 12371, 13900, 14240, 16000, 17375, 17792, 17800, 20000, 22240, 22250, 22784, 24742, 27800, 28480, 32000, 34750, 35584, 35600, 40000, 44480, 44500, 49484, 55600, 55625, 56960, 61855, 69500, 71200, 80000, 86875, 88960, 89000, 98968, 111200, 111250, 113920, 123710, 139000, 142400, 160000, 173750, 177920, 178000, 197936, 222400, 222500, 247420, 278000, 284800, 309275, 347500, 356000, 395872, 444800, 445000, 494840, 556000, 569600, 618550, 695000, 712000, 791744, 889600, 890000, 989680, 1112000, 1237100, 1390000, 1424000, 1546375, 1583488, 1780000, 1979360, 2224000, 2474200, 2780000, 2848000, 3092750, 3166976, 3560000, 3958720, 4448000, 4948400, 5560000, 6185500, 7120000, 7731875, 7917440, 9896800, 11120000, 12371000, 14240000, 15463750, 15834880, 19793600, 22240000, 24742000, 30927500, 39587200, 49484000, 61855000, 79174400, 98968000, 123710000, 197936000, 247420000, 395872000, 494840000, 989680000, 1979360000]

約数ペア:

[(1, 1979360000), (2, 989680000), (4, 494840000), (5, 395872000), (8, 247420000), (10, 197936000), (16, 123710000), (20, 98968000), (25, 79174400), (32, 61855000), (40, 49484000), (50, 39587200), (64, 30927500), (80, 24742000), (89, 22240000), (100, 19793600), (125, 15834880), (128, 15463750), (139, 14240000), (160, 12371000), (178, 11120000), (200, 9896800), (250, 7917440), (256, 7731875), (278, 7120000), (320, 6185500), (356, 5560000), (400, 4948400), (445, 4448000), (500, 3958720), (556, 3560000), (625, 3166976), (640, 3092750), (695, 2848000), (712, 2780000), (800, 2474200), (890, 2224000), (1000, 1979360), (1112, 1780000), (1250, 1583488), (1280, 1546375), (1390, 1424000), (1424, 1390000), (1600, 1237100), (1780, 1112000), (2000, 989680), (2224, 890000), (2225, 889600), (2500, 791744), (2780, 712000), (2848, 695000), (3200, 618550), (3475, 569600), (3560, 556000), (4000, 494840), (4448, 445000), (4450, 444800), (5000, 395872), (5560, 356000), (5696, 347500), (6400, 309275), (6950, 284800), (7120, 278000), (8000, 247420), (8896, 222500), (8900, 222400), (10000, 197936), (11120, 178000), (11125, 177920), (11392, 173750), (12371, 160000), (13900, 142400), (14240, 139000), (16000, 123710), (17375, 113920), (17792, 111250), (17800, 111200), (20000, 98968), (22240, 89000), (22250, 88960), (22784, 86875), (24742, 80000), (27800, 71200), (28480, 69500), (32000, 61855), (34750, 56960), (35584, 55625), (35600, 55600), (40000, 49484), (44480, 44500)]