51999750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 155361024

約数和(自身を除く): 103361274

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 121, 125, 150, 165, 191, 198, 225, 242, 250, 275, 330, 363, 375, 382, 450, 495, 550, 573, 605, 726, 750, 825, 955, 990, 1089, 1125, 1146, 1210, 1375, 1650, 1719, 1815, 1910, 2101, 2178, 2250, 2475, 2750, 2865, 3025, 3438, 3630, 4125, 4202, 4775, 4950, 5445, 5730, 6050, 6303, 8250, 8595, 9075, 9550, 10505, 10890, 12375, 12606, 14325, 15125, 17190, 18150, 18909, 21010, 23111, 23875, 24750, 27225, 28650, 30250, 31515, 37818, 42975, 45375, 46222, 47750, 52525, 54450, 63030, 69333, 71625, 85950, 90750, 94545, 105050, 115555, 136125, 138666, 143250, 157575, 189090, 207999, 214875, 231110, 262625, 272250, 315150, 346665, 415998, 429750, 472725, 525250, 577775, 693330, 787875, 945450, 1039995, 1155550, 1575750, 1733325, 2079990, 2363625, 2888875, 3466650, 4727250, 5199975, 5777750, 8666625, 10399950, 17333250, 25999875, 51999750]

約数ペア:

[(1, 51999750), (2, 25999875), (3, 17333250), (5, 10399950), (6, 8666625), (9, 5777750), (10, 5199975), (11, 4727250), (15, 3466650), (18, 2888875), (22, 2363625), (25, 2079990), (30, 1733325), (33, 1575750), (45, 1155550), (50, 1039995), (55, 945450), (66, 787875), (75, 693330), (90, 577775), (99, 525250), (110, 472725), (121, 429750), (125, 415998), (150, 346665), (165, 315150), (191, 272250), (198, 262625), (225, 231110), (242, 214875), (250, 207999), (275, 189090), (330, 157575), (363, 143250), (375, 138666), (382, 136125), (450, 115555), (495, 105050), (550, 94545), (573, 90750), (605, 85950), (726, 71625), (750, 69333), (825, 63030), (955, 54450), (990, 52525), (1089, 47750), (1125, 46222), (1146, 45375), (1210, 42975), (1375, 37818), (1650, 31515), (1719, 30250), (1815, 28650), (1910, 27225), (2101, 24750), (2178, 23875), (2250, 23111), (2475, 21010), (2750, 18909), (2865, 18150), (3025, 17190), (3438, 15125), (3630, 14325), (4125, 12606), (4202, 12375), (4775, 10890), (4950, 10505), (5445, 9550), (5730, 9075), (6050, 8595), (6303, 8250)]