18889516850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{45077}}^1$

素因数の和:45152

約数の個数: 72

約数和(自身を含む): 38610659340

約数和(自身を除く): 19721142490

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 145, 170, 289, 290, 425, 493, 578, 725, 850, 986, 1445, 1450, 2465, 2890, 4930, 7225, 8381, 12325, 14450, 16762, 24650, 41905, 45077, 83810, 90154, 209525, 225385, 419050, 450770, 766309, 1126925, 1307233, 1532618, 2253850, 2614466, 3831545, 6536165, 7663090, 13027253, 13072330, 19157725, 22222961, 26054506, 32680825, 38315450, 44445922, 65136265, 65361650, 111114805, 130272530, 222229610, 325681325, 377790337, 555574025, 651362650, 755580674, 1111148050, 1888951685, 3777903370, 9444758425, 18889516850]

約数ペア:

[(1, 18889516850), (2, 9444758425), (5, 3777903370), (10, 1888951685), (17, 1111148050), (25, 755580674), (29, 651362650), (34, 555574025), (50, 377790337), (58, 325681325), (85, 222229610), (145, 130272530), (170, 111114805), (289, 65361650), (290, 65136265), (425, 44445922), (493, 38315450), (578, 32680825), (725, 26054506), (850, 22222961), (986, 19157725), (1445, 13072330), (1450, 13027253), (2465, 7663090), (2890, 6536165), (4930, 3831545), (7225, 2614466), (8381, 2253850), (12325, 1532618), (14450, 1307233), (16762, 1126925), (24650, 766309), (41905, 450770), (45077, 419050), (83810, 225385), (90154, 209525)]