204849280

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{967}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 491705280

約数和(自身を除く): 286856000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 640, 662, 967, 1324, 1655, 1934, 2648, 3310, 3868, 4835, 5296, 6620, 7736, 9670, 10592, 13240, 15472, 19340, 21184, 26480, 30944, 38680, 42368, 52960, 61888, 77360, 105920, 123776, 154720, 211840, 309440, 320077, 618880, 640154, 1280308, 1600385, 2560616, 3200770, 5121232, 6401540, 10242464, 12803080, 20484928, 25606160, 40969856, 51212320, 102424640, 204849280]

約数ペア:

[(1, 204849280), (2, 102424640), (4, 51212320), (5, 40969856), (8, 25606160), (10, 20484928), (16, 12803080), (20, 10242464), (32, 6401540), (40, 5121232), (64, 3200770), (80, 2560616), (128, 1600385), (160, 1280308), (320, 640154), (331, 618880), (640, 320077), (662, 309440), (967, 211840), (1324, 154720), (1655, 123776), (1934, 105920), (2648, 77360), (3310, 61888), (3868, 52960), (4835, 42368), (5296, 38680), (6620, 30944), (7736, 26480), (9670, 21184), (10592, 19340), (13240, 15472)]