213658880

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2443

約数の個数: 72

約数和(自身を含む): 519208704

約数和(自身を除く): 305549824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2272, 2351, 2840, 4544, 4702, 5680, 9088, 9404, 11360, 11755, 18176, 18808, 22720, 23510, 37616, 45440, 47020, 75232, 90880, 94040, 150464, 166921, 188080, 300928, 333842, 376160, 601856, 667684, 752320, 834605, 1335368, 1504640, 1669210, 2670736, 3009280, 3338420, 5341472, 6676840, 10682944, 13353680, 21365888, 26707360, 42731776, 53414720, 106829440, 213658880]

約数ペア:

[(1, 213658880), (2, 106829440), (4, 53414720), (5, 42731776), (8, 26707360), (10, 21365888), (16, 13353680), (20, 10682944), (32, 6676840), (40, 5341472), (64, 3338420), (71, 3009280), (80, 2670736), (128, 1669210), (142, 1504640), (160, 1335368), (256, 834605), (284, 752320), (320, 667684), (355, 601856), (568, 376160), (640, 333842), (710, 300928), (1136, 188080), (1280, 166921), (1420, 150464), (2272, 94040), (2351, 90880), (2840, 75232), (4544, 47020), (4702, 45440), (5680, 37616), (9088, 23510), (9404, 22720), (11360, 18808), (11755, 18176)]