253009280

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7459}}^1$

素因数の和:7531

約数の個数: 64

約数和(自身を含む): 616345200

約数和(自身を除く): 363335920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 6784, 7459, 8480, 14918, 16960, 29836, 33920, 37295, 59672, 74590, 119344, 149180, 238688, 298360, 395327, 477376, 596720, 790654, 954752, 1193440, 1581308, 1976635, 2386880, 3162616, 3953270, 4773760, 6325232, 7906540, 12650464, 15813080, 25300928, 31626160, 50601856, 63252320, 126504640, 253009280]

約数ペア:

[(1, 253009280), (2, 126504640), (4, 63252320), (5, 50601856), (8, 31626160), (10, 25300928), (16, 15813080), (20, 12650464), (32, 7906540), (40, 6325232), (53, 4773760), (64, 3953270), (80, 3162616), (106, 2386880), (128, 1976635), (160, 1581308), (212, 1193440), (265, 954752), (320, 790654), (424, 596720), (530, 477376), (640, 395327), (848, 298360), (1060, 238688), (1696, 149180), (2120, 119344), (3392, 74590), (4240, 59672), (6784, 37295), (7459, 33920), (8480, 29836), (14918, 16960)]