91746440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 220968000

約数和(自身を除く): 129221560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 1979, 2318, 2440, 3958, 4636, 5795, 7916, 9272, 9895, 11590, 15832, 19790, 23180, 37601, 39580, 46360, 75202, 79160, 120719, 150404, 188005, 241438, 300808, 376010, 482876, 603595, 752020, 965752, 1207190, 1504040, 2293661, 2414380, 4587322, 4828760, 9174644, 11468305, 18349288, 22936610, 45873220, 91746440]

約数ペア:

[(1, 91746440), (2, 45873220), (4, 22936610), (5, 18349288), (8, 11468305), (10, 9174644), (19, 4828760), (20, 4587322), (38, 2414380), (40, 2293661), (61, 1504040), (76, 1207190), (95, 965752), (122, 752020), (152, 603595), (190, 482876), (244, 376010), (305, 300808), (380, 241438), (488, 188005), (610, 150404), (760, 120719), (1159, 79160), (1220, 75202), (1979, 46360), (2318, 39580), (2440, 37601), (3958, 23180), (4636, 19790), (5795, 15832), (7916, 11590), (9272, 9895)]