1819076840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1487}}^1$

素因数の和:1779

約数の個数: 128

約数和(自身を含む): 4975395840

約数和(自身を除く): 3156319000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 257, 280, 340, 476, 514, 595, 680, 952, 1028, 1190, 1285, 1487, 1799, 2056, 2380, 2570, 2974, 3598, 4369, 4760, 5140, 5948, 7196, 7435, 8738, 8995, 10280, 10409, 11896, 14392, 14870, 17476, 17990, 20818, 21845, 25279, 29740, 30583, 34952, 35980, 41636, 43690, 50558, 52045, 59480, 61166, 71960, 83272, 87380, 101116, 104090, 122332, 126395, 152915, 174760, 176953, 202232, 208180, 244664, 252790, 305830, 353906, 382159, 416360, 505580, 611660, 707812, 764318, 884765, 1011160, 1223320, 1415624, 1528636, 1769530, 1910795, 2675113, 3057272, 3539060, 3821590, 5350226, 6496703, 7078120, 7643180, 10700452, 12993406, 13375565, 15286360, 21400904, 25986812, 26751130, 32483515, 45476921, 51973624, 53502260, 64967030, 90953842, 107004520, 129934060, 181907684, 227384605, 259868120, 363815368, 454769210, 909538420, 1819076840]

約数ペア:

[(1, 1819076840), (2, 909538420), (4, 454769210), (5, 363815368), (7, 259868120), (8, 227384605), (10, 181907684), (14, 129934060), (17, 107004520), (20, 90953842), (28, 64967030), (34, 53502260), (35, 51973624), (40, 45476921), (56, 32483515), (68, 26751130), (70, 25986812), (85, 21400904), (119, 15286360), (136, 13375565), (140, 12993406), (170, 10700452), (238, 7643180), (257, 7078120), (280, 6496703), (340, 5350226), (476, 3821590), (514, 3539060), (595, 3057272), (680, 2675113), (952, 1910795), (1028, 1769530), (1190, 1528636), (1285, 1415624), (1487, 1223320), (1799, 1011160), (2056, 884765), (2380, 764318), (2570, 707812), (2974, 611660), (3598, 505580), (4369, 416360), (4760, 382159), (5140, 353906), (5948, 305830), (7196, 252790), (7435, 244664), (8738, 208180), (8995, 202232), (10280, 176953), (10409, 174760), (11896, 152915), (14392, 126395), (14870, 122332), (17476, 104090), (17990, 101116), (20818, 87380), (21845, 83272), (25279, 71960), (29740, 61166), (30583, 59480), (34952, 52045), (35980, 50558), (41636, 43690)]