289832840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1015

約数の個数: 128

約数和(自身を含む): 769910400

約数和(自身を除く): 480077560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 110, 148, 152, 185, 190, 209, 220, 296, 370, 380, 407, 418, 440, 703, 740, 760, 814, 836, 937, 1045, 1406, 1480, 1628, 1672, 1874, 2035, 2090, 2812, 3256, 3515, 3748, 4070, 4180, 4685, 5624, 7030, 7496, 7733, 8140, 8360, 9370, 10307, 14060, 15466, 16280, 17803, 18740, 20614, 28120, 30932, 34669, 35606, 37480, 38665, 41228, 51535, 61864, 69338, 71212, 77330, 82456, 89015, 103070, 138676, 142424, 154660, 173345, 178030, 195833, 206140, 277352, 309320, 346690, 356060, 381359, 391666, 412280, 658711, 693380, 712120, 762718, 783332, 979165, 1317422, 1386760, 1525436, 1566664, 1906795, 1958330, 2634844, 3050872, 3293555, 3813590, 3916660, 5269688, 6587110, 7245821, 7627180, 7833320, 13174220, 14491642, 15254360, 26348440, 28983284, 36229105, 57966568, 72458210, 144916420, 289832840]

約数ペア:

[(1, 289832840), (2, 144916420), (4, 72458210), (5, 57966568), (8, 36229105), (10, 28983284), (11, 26348440), (19, 15254360), (20, 14491642), (22, 13174220), (37, 7833320), (38, 7627180), (40, 7245821), (44, 6587110), (55, 5269688), (74, 3916660), (76, 3813590), (88, 3293555), (95, 3050872), (110, 2634844), (148, 1958330), (152, 1906795), (185, 1566664), (190, 1525436), (209, 1386760), (220, 1317422), (296, 979165), (370, 783332), (380, 762718), (407, 712120), (418, 693380), (440, 658711), (703, 412280), (740, 391666), (760, 381359), (814, 356060), (836, 346690), (937, 309320), (1045, 277352), (1406, 206140), (1480, 195833), (1628, 178030), (1672, 173345), (1874, 154660), (2035, 142424), (2090, 138676), (2812, 103070), (3256, 89015), (3515, 82456), (3748, 77330), (4070, 71212), (4180, 69338), (4685, 61864), (5624, 51535), (7030, 41228), (7496, 38665), (7733, 37480), (8140, 35606), (8360, 34669), (9370, 30932), (10307, 28120), (14060, 20614), (15466, 18740), (16280, 17803)]