28156780750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{12659}}^1$

素因数の和:12755

約数の個数: 128

約数和(自身を含む): 63704309760

約数和(自身を除く): 35547529010

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 41, 50, 62, 70, 82, 125, 155, 175, 205, 217, 250, 287, 310, 350, 410, 434, 574, 775, 875, 1025, 1085, 1271, 1435, 1550, 1750, 2050, 2170, 2542, 2870, 3875, 5125, 5425, 6355, 7175, 7750, 8897, 10250, 10850, 12659, 12710, 14350, 17794, 25318, 27125, 31775, 35875, 44485, 54250, 63295, 63550, 71750, 88613, 88970, 126590, 158875, 177226, 222425, 316475, 317750, 392429, 443065, 444850, 519019, 632950, 784858, 886130, 1038038, 1112125, 1582375, 1962145, 2215325, 2224250, 2595095, 2747003, 3164750, 3633133, 3924290, 4430650, 5190190, 5494006, 7266266, 9810725, 11076625, 12975475, 13735015, 16089589, 18165665, 19621450, 22153250, 25950950, 27470030, 32179178, 36331330, 49053625, 64877375, 68675075, 80447945, 90828325, 98107250, 112627123, 129754750, 137350150, 160895890, 181656650, 225254246, 343375375, 402239725, 454141625, 563135615, 686750750, 804479450, 908283250, 1126271230, 2011198625, 2815678075, 4022397250, 5631356150, 14078390375, 28156780750]

約数ペア:

[(1, 28156780750), (2, 14078390375), (5, 5631356150), (7, 4022397250), (10, 2815678075), (14, 2011198625), (25, 1126271230), (31, 908283250), (35, 804479450), (41, 686750750), (50, 563135615), (62, 454141625), (70, 402239725), (82, 343375375), (125, 225254246), (155, 181656650), (175, 160895890), (205, 137350150), (217, 129754750), (250, 112627123), (287, 98107250), (310, 90828325), (350, 80447945), (410, 68675075), (434, 64877375), (574, 49053625), (775, 36331330), (875, 32179178), (1025, 27470030), (1085, 25950950), (1271, 22153250), (1435, 19621450), (1550, 18165665), (1750, 16089589), (2050, 13735015), (2170, 12975475), (2542, 11076625), (2870, 9810725), (3875, 7266266), (5125, 5494006), (5425, 5190190), (6355, 4430650), (7175, 3924290), (7750, 3633133), (8897, 3164750), (10250, 2747003), (10850, 2595095), (12659, 2224250), (12710, 2215325), (14350, 1962145), (17794, 1582375), (25318, 1112125), (27125, 1038038), (31775, 886130), (35875, 784858), (44485, 632950), (54250, 519019), (63295, 444850), (63550, 443065), (71750, 392429), (88613, 317750), (88970, 316475), (126590, 222425), (158875, 177226)]