389860880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 925986864

約数和(自身を除く): 536125984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 241, 277, 292, 365, 482, 554, 584, 730, 964, 1108, 1168, 1205, 1385, 1460, 1928, 2216, 2410, 2770, 2920, 3856, 4432, 4820, 5540, 5840, 9640, 11080, 17593, 19280, 20221, 22160, 35186, 40442, 66757, 70372, 80884, 87965, 101105, 133514, 140744, 161768, 175930, 202210, 267028, 281488, 323536, 333785, 351860, 404420, 534056, 667570, 703720, 808840, 1068112, 1335140, 1407440, 1617680, 2670280, 4873261, 5340560, 9746522, 19493044, 24366305, 38986088, 48732610, 77972176, 97465220, 194930440, 389860880]

約数ペア:

[(1, 389860880), (2, 194930440), (4, 97465220), (5, 77972176), (8, 48732610), (10, 38986088), (16, 24366305), (20, 19493044), (40, 9746522), (73, 5340560), (80, 4873261), (146, 2670280), (241, 1617680), (277, 1407440), (292, 1335140), (365, 1068112), (482, 808840), (554, 703720), (584, 667570), (730, 534056), (964, 404420), (1108, 351860), (1168, 333785), (1205, 323536), (1385, 281488), (1460, 267028), (1928, 202210), (2216, 175930), (2410, 161768), (2770, 140744), (2920, 133514), (3856, 101105), (4432, 87965), (4820, 80884), (5540, 70372), (5840, 66757), (9640, 40442), (11080, 35186), (17593, 22160), (19280, 20221)]