259181580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 850348800

約数和(自身を除く): 591167220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 199, 210, 245, 294, 398, 420, 443, 490, 588, 597, 735, 796, 886, 980, 995, 1194, 1329, 1393, 1470, 1772, 1990, 2215, 2388, 2658, 2786, 2940, 2985, 3101, 3980, 4179, 4430, 5316, 5572, 5970, 6202, 6645, 6965, 8358, 8860, 9303, 9751, 11940, 12404, 13290, 13930, 15505, 16716, 18606, 19502, 20895, 21707, 26580, 27860, 29253, 31010, 37212, 39004, 41790, 43414, 46515, 48755, 58506, 62020, 65121, 83580, 86828, 88157, 93030, 97510, 108535, 117012, 130242, 146265, 176314, 186060, 195020, 217070, 260484, 264471, 292530, 325605, 352628, 434140, 440785, 528942, 585060, 617099, 651210, 881570, 1057884, 1234198, 1302420, 1322355, 1763140, 1851297, 2468396, 2644710, 3085495, 3702594, 4319693, 5289420, 6170990, 7405188, 8639386, 9256485, 12341980, 12959079, 17278772, 18512970, 21598465, 25918158, 37025940, 43196930, 51836316, 64795395, 86393860, 129590790, 259181580]

約数ペア:

[(1, 259181580), (2, 129590790), (3, 86393860), (4, 64795395), (5, 51836316), (6, 43196930), (7, 37025940), (10, 25918158), (12, 21598465), (14, 18512970), (15, 17278772), (20, 12959079), (21, 12341980), (28, 9256485), (30, 8639386), (35, 7405188), (42, 6170990), (49, 5289420), (60, 4319693), (70, 3702594), (84, 3085495), (98, 2644710), (105, 2468396), (140, 1851297), (147, 1763140), (196, 1322355), (199, 1302420), (210, 1234198), (245, 1057884), (294, 881570), (398, 651210), (420, 617099), (443, 585060), (490, 528942), (588, 440785), (597, 434140), (735, 352628), (796, 325605), (886, 292530), (980, 264471), (995, 260484), (1194, 217070), (1329, 195020), (1393, 186060), (1470, 176314), (1772, 146265), (1990, 130242), (2215, 117012), (2388, 108535), (2658, 97510), (2786, 93030), (2940, 88157), (2985, 86828), (3101, 83580), (3980, 65121), (4179, 62020), (4430, 58506), (5316, 48755), (5572, 46515), (5970, 43414), (6202, 41790), (6645, 39004), (6965, 37212), (8358, 31010), (8860, 29253), (9303, 27860), (9751, 26580), (11940, 21707), (12404, 20895), (13290, 19502), (13930, 18606), (15505, 16716)]