1288890190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 2930059008

約数和(自身を除く): 1641168818

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 70, 73, 74, 85, 119, 146, 170, 185, 238, 259, 365, 370, 401, 511, 518, 595, 629, 730, 802, 1022, 1190, 1241, 1258, 1295, 2005, 2482, 2555, 2590, 2701, 2807, 3145, 4010, 4403, 5110, 5402, 5614, 6205, 6290, 6817, 8687, 8806, 12410, 13505, 13634, 14035, 14837, 17374, 18907, 22015, 27010, 28070, 29273, 29674, 34085, 37814, 43435, 44030, 45917, 47719, 58546, 68170, 74185, 86870, 91834, 94535, 95438, 103859, 146365, 148370, 189070, 204911, 207718, 229585, 238595, 252229, 292730, 321419, 409822, 459170, 477190, 497641, 504458, 519295, 642838, 995282, 1024555, 1038590, 1083101, 1261145, 1607095, 1765603, 2049110, 2166202, 2488205, 2522290, 3214190, 3483487, 3531206, 4976410, 5415505, 6966974, 7581707, 8828015, 10831010, 15163414, 17417435, 17656030, 18412717, 34834870, 36825434, 37908535, 75817070, 92063585, 128889019, 184127170, 257778038, 644445095, 1288890190]

約数ペア:

[(1, 1288890190), (2, 644445095), (5, 257778038), (7, 184127170), (10, 128889019), (14, 92063585), (17, 75817070), (34, 37908535), (35, 36825434), (37, 34834870), (70, 18412717), (73, 17656030), (74, 17417435), (85, 15163414), (119, 10831010), (146, 8828015), (170, 7581707), (185, 6966974), (238, 5415505), (259, 4976410), (365, 3531206), (370, 3483487), (401, 3214190), (511, 2522290), (518, 2488205), (595, 2166202), (629, 2049110), (730, 1765603), (802, 1607095), (1022, 1261145), (1190, 1083101), (1241, 1038590), (1258, 1024555), (1295, 995282), (2005, 642838), (2482, 519295), (2555, 504458), (2590, 497641), (2701, 477190), (2807, 459170), (3145, 409822), (4010, 321419), (4403, 292730), (5110, 252229), (5402, 238595), (5614, 229585), (6205, 207718), (6290, 204911), (6817, 189070), (8687, 148370), (8806, 146365), (12410, 103859), (13505, 95438), (13634, 94535), (14035, 91834), (14837, 86870), (17374, 74185), (18907, 68170), (22015, 58546), (27010, 47719), (28070, 45917), (29273, 44030), (29674, 43435), (34085, 37814)]