30911650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 77352192

約数和(自身を除く): 46440542

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 31, 35, 37, 49, 50, 55, 62, 70, 74, 77, 98, 110, 154, 155, 175, 185, 217, 245, 259, 275, 310, 341, 350, 370, 385, 407, 434, 490, 518, 539, 550, 682, 770, 775, 814, 925, 1078, 1085, 1147, 1225, 1295, 1519, 1550, 1705, 1813, 1850, 1925, 2035, 2170, 2294, 2387, 2450, 2590, 2695, 2849, 3038, 3410, 3626, 3850, 4070, 4774, 5390, 5425, 5698, 5735, 6475, 7595, 8029, 8525, 9065, 10175, 10850, 11470, 11935, 12617, 12950, 13475, 14245, 15190, 16058, 16709, 17050, 18130, 19943, 20350, 23870, 25234, 26950, 28490, 28675, 33418, 37975, 39886, 40145, 45325, 56203, 57350, 59675, 63085, 71225, 75950, 80290, 83545, 88319, 90650, 99715, 112406, 119350, 126170, 142450, 167090, 176638, 199430, 200725, 281015, 315425, 401450, 417725, 441595, 498575, 562030, 618233, 630850, 835450, 883190, 997150, 1236466, 1405075, 2207975, 2810150, 3091165, 4415950, 6182330, 15455825, 30911650]

約数ペア:

[(1, 30911650), (2, 15455825), (5, 6182330), (7, 4415950), (10, 3091165), (11, 2810150), (14, 2207975), (22, 1405075), (25, 1236466), (31, 997150), (35, 883190), (37, 835450), (49, 630850), (50, 618233), (55, 562030), (62, 498575), (70, 441595), (74, 417725), (77, 401450), (98, 315425), (110, 281015), (154, 200725), (155, 199430), (175, 176638), (185, 167090), (217, 142450), (245, 126170), (259, 119350), (275, 112406), (310, 99715), (341, 90650), (350, 88319), (370, 83545), (385, 80290), (407, 75950), (434, 71225), (490, 63085), (518, 59675), (539, 57350), (550, 56203), (682, 45325), (770, 40145), (775, 39886), (814, 37975), (925, 33418), (1078, 28675), (1085, 28490), (1147, 26950), (1225, 25234), (1295, 23870), (1519, 20350), (1550, 19943), (1705, 18130), (1813, 17050), (1850, 16709), (1925, 16058), (2035, 15190), (2170, 14245), (2294, 13475), (2387, 12950), (2450, 12617), (2590, 11935), (2695, 11470), (2849, 10850), (3038, 10175), (3410, 9065), (3626, 8525), (3850, 8029), (4070, 7595), (4774, 6475), (5390, 5735), (5425, 5698)]