2017849100

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{811}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 4440340800

約数和(自身を除く): 2422491700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 179, 278, 358, 556, 695, 716, 811, 895, 1390, 1622, 1790, 2780, 3244, 3475, 3580, 4055, 4475, 6950, 8110, 8950, 13900, 16220, 17900, 20275, 24881, 40550, 49762, 81100, 99524, 112729, 124405, 145169, 225458, 248810, 290338, 450916, 497620, 563645, 580676, 622025, 725845, 1127290, 1244050, 1451690, 2254580, 2488100, 2818225, 2903380, 3629225, 5636450, 7258450, 11272900, 14516900, 20178491, 40356982, 80713964, 100892455, 201784910, 403569820, 504462275, 1008924550, 2017849100]

約数ペア:

[(1, 2017849100), (2, 1008924550), (4, 504462275), (5, 403569820), (10, 201784910), (20, 100892455), (25, 80713964), (50, 40356982), (100, 20178491), (139, 14516900), (179, 11272900), (278, 7258450), (358, 5636450), (556, 3629225), (695, 2903380), (716, 2818225), (811, 2488100), (895, 2254580), (1390, 1451690), (1622, 1244050), (1790, 1127290), (2780, 725845), (3244, 622025), (3475, 580676), (3580, 563645), (4055, 497620), (4475, 450916), (6950, 290338), (8110, 248810), (8950, 225458), (13900, 145169), (16220, 124405), (17900, 112729), (20275, 99524), (24881, 81100), (40550, 49762)]