210838675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 288731520

約数和(自身を除く): 77892845

約数列:

[1, 5, 17, 25, 43, 83, 85, 139, 215, 415, 425, 695, 731, 1075, 1411, 2075, 2363, 3475, 3569, 3655, 5977, 7055, 11537, 11815, 17845, 18275, 29885, 35275, 57685, 59075, 60673, 89225, 101609, 149425, 196129, 288425, 303365, 496091, 508045, 980645, 1516825, 2480455, 2540225, 4903225, 8433547, 12402275, 42167735, 210838675]

約数ペア:

[(1, 210838675), (5, 42167735), (17, 12402275), (25, 8433547), (43, 4903225), (83, 2540225), (85, 2480455), (139, 1516825), (215, 980645), (415, 508045), (425, 496091), (695, 303365), (731, 288425), (1075, 196129), (1411, 149425), (2075, 101609), (2363, 89225), (3475, 60673), (3569, 59075), (3655, 57685), (5977, 35275), (7055, 29885), (11537, 18275), (11815, 17845)]