719780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 1678320

約数和(自身を除く): 958540

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 73, 85, 116, 145, 146, 170, 290, 292, 340, 365, 493, 580, 730, 986, 1241, 1460, 1972, 2117, 2465, 2482, 4234, 4930, 4964, 6205, 8468, 9860, 10585, 12410, 21170, 24820, 35989, 42340, 71978, 143956, 179945, 359890, 719780]

約数ペア:

[(1, 719780), (2, 359890), (4, 179945), (5, 143956), (10, 71978), (17, 42340), (20, 35989), (29, 24820), (34, 21170), (58, 12410), (68, 10585), (73, 9860), (85, 8468), (116, 6205), (145, 4964), (146, 4930), (170, 4234), (290, 2482), (292, 2465), (340, 2117), (365, 1972), (493, 1460), (580, 1241), (730, 986)]