23890780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2423}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 54976320

約数和(自身を除く): 31085540

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2423, 2465, 4846, 4930, 9692, 9860, 12115, 24230, 41191, 48460, 70267, 82382, 140534, 164764, 205955, 281068, 351335, 411910, 702670, 823820, 1194539, 1405340, 2389078, 4778156, 5972695, 11945390, 23890780]

約数ペア:

[(1, 23890780), (2, 11945390), (4, 5972695), (5, 4778156), (10, 2389078), (17, 1405340), (20, 1194539), (29, 823820), (34, 702670), (58, 411910), (68, 351335), (85, 281068), (116, 205955), (145, 164764), (170, 140534), (290, 82382), (340, 70267), (493, 48460), (580, 41191), (986, 24230), (1972, 12115), (2423, 9860), (2465, 9692), (4846, 4930)]