2100022425

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 3838816800

約数和(自身を除く): 1738794375

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 139, 225, 249, 415, 417, 695, 747, 809, 1245, 1251, 2075, 2085, 2427, 3475, 3735, 4045, 6225, 6255, 7281, 10425, 11537, 12135, 18675, 20225, 31275, 34611, 36405, 57685, 60675, 67147, 103833, 112451, 173055, 182025, 201441, 288425, 335735, 337353, 519165, 562255, 604323, 865275, 1007205, 1012059, 1678675, 1686765, 2595825, 2811275, 3021615, 5036025, 5060295, 8433825, 9333433, 15108075, 25301475, 28000299, 46667165, 84000897, 140001495, 233335825, 420004485, 700007475, 2100022425]

約数ペア:

[(1, 2100022425), (3, 700007475), (5, 420004485), (9, 233335825), (15, 140001495), (25, 84000897), (45, 46667165), (75, 28000299), (83, 25301475), (139, 15108075), (225, 9333433), (249, 8433825), (415, 5060295), (417, 5036025), (695, 3021615), (747, 2811275), (809, 2595825), (1245, 1686765), (1251, 1678675), (2075, 1012059), (2085, 1007205), (2427, 865275), (3475, 604323), (3735, 562255), (4045, 519165), (6225, 337353), (6255, 335735), (7281, 288425), (10425, 201441), (11537, 182025), (12135, 173055), (18675, 112451), (20225, 103833), (31275, 67147), (34611, 60675), (36405, 57685)]