20137575500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{823}}^1\times {\mathrm{6991}}^1$

素因数の和:7840

約数の個数: 96

約数和(自身を含む): 50331660288

約数和(自身を除く): 30194084788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 823, 875, 1646, 1750, 3292, 3500, 4115, 5761, 6991, 8230, 11522, 13982, 16460, 20575, 23044, 27964, 28805, 34955, 41150, 48937, 57610, 69910, 82300, 97874, 102875, 115220, 139820, 144025, 174775, 195748, 205750, 244685, 288050, 349550, 411500, 489370, 576100, 699100, 720125, 873875, 978740, 1223425, 1440250, 1747750, 2446850, 2880500, 3495500, 4893700, 5753593, 6117125, 11507186, 12234250, 23014372, 24468500, 28767965, 40275151, 57535930, 80550302, 115071860, 143839825, 161100604, 201375755, 287679650, 402751510, 575359300, 719199125, 805503020, 1006878775, 1438398250, 2013757550, 2876796500, 4027515100, 5034393875, 10068787750, 20137575500]

約数ペア:

[(1, 20137575500), (2, 10068787750), (4, 5034393875), (5, 4027515100), (7, 2876796500), (10, 2013757550), (14, 1438398250), (20, 1006878775), (25, 805503020), (28, 719199125), (35, 575359300), (50, 402751510), (70, 287679650), (100, 201375755), (125, 161100604), (140, 143839825), (175, 115071860), (250, 80550302), (350, 57535930), (500, 40275151), (700, 28767965), (823, 24468500), (875, 23014372), (1646, 12234250), (1750, 11507186), (3292, 6117125), (3500, 5753593), (4115, 4893700), (5761, 3495500), (6991, 2880500), (8230, 2446850), (11522, 1747750), (13982, 1440250), (16460, 1223425), (20575, 978740), (23044, 873875), (27964, 720125), (28805, 699100), (34955, 576100), (41150, 489370), (48937, 411500), (57610, 349550), (69910, 288050), (82300, 244685), (97874, 205750), (102875, 195748), (115220, 174775), (139820, 144025)]