490841600

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1296

約数の個数: 120

約数和(自身を含む): 1256342208

約数和(自身を除く): 765500608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 992, 1237, 1240, 1280, 1550, 1600, 1984, 2474, 2480, 2560, 3100, 3200, 3968, 4948, 4960, 6185, 6200, 6400, 7936, 9896, 9920, 12370, 12400, 12800, 15872, 19792, 19840, 24740, 24800, 30925, 38347, 39584, 39680, 49480, 49600, 61850, 76694, 79168, 79360, 98960, 99200, 123700, 153388, 158336, 191735, 197920, 198400, 247400, 306776, 316672, 383470, 395840, 396800, 494800, 613552, 633344, 766940, 791680, 958675, 989600, 1227104, 1533880, 1583360, 1917350, 1979200, 2454208, 3067760, 3166720, 3834700, 3958400, 4908416, 6135520, 7669400, 7916800, 9816832, 12271040, 15338800, 15833600, 19633664, 24542080, 30677600, 49084160, 61355200, 98168320, 122710400, 245420800, 490841600]

約数ペア:

[(1, 490841600), (2, 245420800), (4, 122710400), (5, 98168320), (8, 61355200), (10, 49084160), (16, 30677600), (20, 24542080), (25, 19633664), (31, 15833600), (32, 15338800), (40, 12271040), (50, 9816832), (62, 7916800), (64, 7669400), (80, 6135520), (100, 4908416), (124, 3958400), (128, 3834700), (155, 3166720), (160, 3067760), (200, 2454208), (248, 1979200), (256, 1917350), (310, 1583360), (320, 1533880), (400, 1227104), (496, 989600), (512, 958675), (620, 791680), (640, 766940), (775, 633344), (800, 613552), (992, 494800), (1237, 396800), (1240, 395840), (1280, 383470), (1550, 316672), (1600, 306776), (1984, 247400), (2474, 198400), (2480, 197920), (2560, 191735), (3100, 158336), (3200, 153388), (3968, 123700), (4948, 99200), (4960, 98960), (6185, 79360), (6200, 79168), (6400, 76694), (7936, 61850), (9896, 49600), (9920, 49480), (12370, 39680), (12400, 39584), (12800, 38347), (15872, 30925), (19792, 24800), (19840, 24740)]