2902900

素因数分解:

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

素因数の和:74

約数の個数: 144

約数和(自身を含む): 8749440

約数和(自身を除く): 5846540

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, 130, 140, 143, 145, 154, 175, 182, 203, 220, 260, 275, 286, 290, 308, 319, 325, 350, 364, 377, 385, 406, 455, 550, 572, 580, 638, 650, 700, 715, 725, 754, 770, 812, 910, 1001, 1015, 1100, 1276, 1300, 1430, 1450, 1508, 1540, 1595, 1820, 1885, 1925, 2002, 2030, 2233, 2275, 2639, 2860, 2900, 3190, 3575, 3770, 3850, 4004, 4060, 4147, 4466, 4550, 5005, 5075, 5278, 6380, 7150, 7540, 7700, 7975, 8294, 8932, 9100, 9425, 10010, 10150, 10556, 11165, 13195, 14300, 15950, 16588, 18850, 20020, 20300, 20735, 22330, 25025, 26390, 29029, 31900, 37700, 41470, 44660, 50050, 52780, 55825, 58058, 65975, 82940, 100100, 103675, 111650, 116116, 131950, 145145, 207350, 223300, 263900, 290290, 414700, 580580, 725725, 1451450, 2902900]

約数ペア:

[(1, 2902900), (2, 1451450), (4, 725725), (5, 580580), (7, 414700), (10, 290290), (11, 263900), (13, 223300), (14, 207350), (20, 145145), (22, 131950), (25, 116116), (26, 111650), (28, 103675), (29, 100100), (35, 82940), (44, 65975), (50, 58058), (52, 55825), (55, 52780), (58, 50050), (65, 44660), (70, 41470), (77, 37700), (91, 31900), (100, 29029), (110, 26390), (116, 25025), (130, 22330), (140, 20735), (143, 20300), (145, 20020), (154, 18850), (175, 16588), (182, 15950), (203, 14300), (220, 13195), (260, 11165), (275, 10556), (286, 10150), (290, 10010), (308, 9425), (319, 9100), (325, 8932), (350, 8294), (364, 7975), (377, 7700), (385, 7540), (406, 7150), (455, 6380), (550, 5278), (572, 5075), (580, 5005), (638, 4550), (650, 4466), (700, 4147), (715, 4060), (725, 4004), (754, 3850), (770, 3770), (812, 3575), (910, 3190), (1001, 2900), (1015, 2860), (1100, 2639), (1276, 2275), (1300, 2233), (1430, 2030), (1450, 2002), (1508, 1925), (1540, 1885), (1595, 1820)]