31931900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 216

約数和(自身を含む): 96972960

約数和(自身を除く): 65041060

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 29, 35, 44, 50, 52, 55, 58, 65, 70, 77, 91, 100, 110, 116, 121, 130, 140, 143, 145, 154, 175, 182, 203, 220, 242, 260, 275, 286, 290, 308, 319, 325, 350, 364, 377, 385, 406, 455, 484, 550, 572, 580, 605, 638, 650, 700, 715, 725, 754, 770, 812, 847, 910, 1001, 1015, 1100, 1210, 1276, 1300, 1430, 1450, 1508, 1540, 1573, 1595, 1694, 1820, 1885, 1925, 2002, 2030, 2233, 2275, 2420, 2639, 2860, 2900, 3025, 3146, 3190, 3388, 3509, 3575, 3770, 3850, 4004, 4060, 4147, 4235, 4466, 4550, 5005, 5075, 5278, 6050, 6292, 6380, 7018, 7150, 7540, 7700, 7865, 7975, 8294, 8470, 8932, 9100, 9425, 10010, 10150, 10556, 11011, 11165, 12100, 13195, 14036, 14300, 15730, 15950, 16588, 16940, 17545, 18850, 20020, 20300, 20735, 21175, 22022, 22330, 24563, 25025, 26390, 29029, 31460, 31900, 35090, 37700, 39325, 41470, 42350, 44044, 44660, 45617, 49126, 50050, 52780, 55055, 55825, 58058, 65975, 70180, 78650, 82940, 84700, 87725, 91234, 98252, 100100, 103675, 110110, 111650, 116116, 122815, 131950, 145145, 157300, 175450, 182468, 207350, 220220, 223300, 228085, 245630, 263900, 275275, 290290, 319319, 350900, 414700, 456170, 491260, 550550, 580580, 614075, 638638, 725725, 912340, 1101100, 1140425, 1228150, 1277276, 1451450, 1596595, 2280850, 2456300, 2902900, 3193190, 4561700, 6386380, 7982975, 15965950, 31931900]

約数ペア:

[(1, 31931900), (2, 15965950), (4, 7982975), (5, 6386380), (7, 4561700), (10, 3193190), (11, 2902900), (13, 2456300), (14, 2280850), (20, 1596595), (22, 1451450), (25, 1277276), (26, 1228150), (28, 1140425), (29, 1101100), (35, 912340), (44, 725725), (50, 638638), (52, 614075), (55, 580580), (58, 550550), (65, 491260), (70, 456170), (77, 414700), (91, 350900), (100, 319319), (110, 290290), (116, 275275), (121, 263900), (130, 245630), (140, 228085), (143, 223300), (145, 220220), (154, 207350), (175, 182468), (182, 175450), (203, 157300), (220, 145145), (242, 131950), (260, 122815), (275, 116116), (286, 111650), (290, 110110), (308, 103675), (319, 100100), (325, 98252), (350, 91234), (364, 87725), (377, 84700), (385, 82940), (406, 78650), (455, 70180), (484, 65975), (550, 58058), (572, 55825), (580, 55055), (605, 52780), (638, 50050), (650, 49126), (700, 45617), (715, 44660), (725, 44044), (754, 42350), (770, 41470), (812, 39325), (847, 37700), (910, 35090), (1001, 31900), (1015, 31460), (1100, 29029), (1210, 26390), (1276, 25025), (1300, 24563), (1430, 22330), (1450, 22022), (1508, 21175), (1540, 20735), (1573, 20300), (1595, 20020), (1694, 18850), (1820, 17545), (1885, 16940), (1925, 16588), (2002, 15950), (2030, 15730), (2233, 14300), (2275, 14036), (2420, 13195), (2639, 12100), (2860, 11165), (2900, 11011), (3025, 10556), (3146, 10150), (3190, 10010), (3388, 9425), (3509, 9100), (3575, 8932), (3770, 8470), (3850, 8294), (4004, 7975), (4060, 7865), (4147, 7700), (4235, 7540), (4466, 7150), (4550, 7018), (5005, 6380), (5075, 6292), (5278, 6050)]