137888000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 357127680

約数和(自身を除く): 219239680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 139, 155, 160, 200, 248, 250, 256, 278, 310, 320, 400, 496, 500, 556, 620, 640, 695, 775, 800, 992, 1000, 1112, 1240, 1280, 1390, 1550, 1600, 1984, 2000, 2224, 2480, 2780, 3100, 3200, 3475, 3875, 3968, 4000, 4309, 4448, 4960, 5560, 6200, 6400, 6950, 7750, 7936, 8000, 8618, 8896, 9920, 11120, 12400, 13900, 15500, 16000, 17236, 17375, 17792, 19840, 21545, 22240, 24800, 27800, 31000, 32000, 34472, 34750, 35584, 39680, 43090, 44480, 49600, 55600, 62000, 68944, 69500, 86180, 88960, 99200, 107725, 111200, 124000, 137888, 139000, 172360, 177920, 198400, 215450, 222400, 248000, 275776, 278000, 344720, 430900, 444800, 496000, 538625, 551552, 556000, 689440, 861800, 889600, 992000, 1077250, 1103104, 1112000, 1378880, 1723600, 2154500, 2224000, 2757760, 3447200, 4309000, 4448000, 5515520, 6894400, 8618000, 13788800, 17236000, 27577600, 34472000, 68944000, 137888000]

約数ペア:

[(1, 137888000), (2, 68944000), (4, 34472000), (5, 27577600), (8, 17236000), (10, 13788800), (16, 8618000), (20, 6894400), (25, 5515520), (31, 4448000), (32, 4309000), (40, 3447200), (50, 2757760), (62, 2224000), (64, 2154500), (80, 1723600), (100, 1378880), (124, 1112000), (125, 1103104), (128, 1077250), (139, 992000), (155, 889600), (160, 861800), (200, 689440), (248, 556000), (250, 551552), (256, 538625), (278, 496000), (310, 444800), (320, 430900), (400, 344720), (496, 278000), (500, 275776), (556, 248000), (620, 222400), (640, 215450), (695, 198400), (775, 177920), (800, 172360), (992, 139000), (1000, 137888), (1112, 124000), (1240, 111200), (1280, 107725), (1390, 99200), (1550, 88960), (1600, 86180), (1984, 69500), (2000, 68944), (2224, 62000), (2480, 55600), (2780, 49600), (3100, 44480), (3200, 43090), (3475, 39680), (3875, 35584), (3968, 34750), (4000, 34472), (4309, 32000), (4448, 31000), (4960, 27800), (5560, 24800), (6200, 22240), (6400, 21545), (6950, 19840), (7750, 17792), (7936, 17375), (8000, 17236), (8618, 16000), (8896, 15500), (9920, 13900), (11120, 12400)]