1388381500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:557

約数の個数: 192

約数和(自身を含む): 3622993920

約数和(自身を除く): 2234612420

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 31, 34, 44, 50, 55, 62, 68, 85, 100, 110, 124, 125, 155, 170, 187, 220, 250, 275, 310, 340, 341, 374, 425, 479, 500, 527, 550, 620, 682, 748, 775, 850, 935, 958, 1054, 1100, 1364, 1375, 1550, 1700, 1705, 1870, 1916, 2108, 2125, 2395, 2635, 2750, 3100, 3410, 3740, 3875, 4250, 4675, 4790, 5269, 5270, 5500, 5797, 6820, 7750, 8143, 8500, 8525, 9350, 9580, 10538, 10540, 11594, 11975, 13175, 14849, 15500, 16286, 17050, 18700, 21076, 23188, 23375, 23950, 26345, 26350, 28985, 29698, 32572, 34100, 40715, 42625, 46750, 47900, 52690, 52700, 57970, 59396, 59875, 65875, 74245, 81430, 85250, 89573, 93500, 105380, 115940, 119750, 131725, 131750, 144925, 148490, 162860, 163339, 170500, 179146, 203575, 239500, 252433, 263450, 263500, 289850, 296980, 326678, 358292, 371225, 407150, 447865, 504866, 526900, 579700, 653356, 658625, 724625, 742450, 814300, 816695, 895730, 1009732, 1017875, 1262165, 1317250, 1449250, 1484900, 1633390, 1791460, 1856125, 2035750, 2239325, 2524330, 2634500, 2776763, 2898500, 3266780, 3712250, 4071500, 4083475, 4478650, 5048660, 5553526, 6310825, 7424500, 8166950, 8957300, 11107052, 11196625, 12621650, 13883815, 16333900, 20417375, 22393250, 25243300, 27767630, 31554125, 40834750, 44786500, 55535260, 63108250, 69419075, 81669500, 126216500, 138838150, 277676300, 347095375, 694190750, 1388381500]

約数ペア:

[(1, 1388381500), (2, 694190750), (4, 347095375), (5, 277676300), (10, 138838150), (11, 126216500), (17, 81669500), (20, 69419075), (22, 63108250), (25, 55535260), (31, 44786500), (34, 40834750), (44, 31554125), (50, 27767630), (55, 25243300), (62, 22393250), (68, 20417375), (85, 16333900), (100, 13883815), (110, 12621650), (124, 11196625), (125, 11107052), (155, 8957300), (170, 8166950), (187, 7424500), (220, 6310825), (250, 5553526), (275, 5048660), (310, 4478650), (340, 4083475), (341, 4071500), (374, 3712250), (425, 3266780), (479, 2898500), (500, 2776763), (527, 2634500), (550, 2524330), (620, 2239325), (682, 2035750), (748, 1856125), (775, 1791460), (850, 1633390), (935, 1484900), (958, 1449250), (1054, 1317250), (1100, 1262165), (1364, 1017875), (1375, 1009732), (1550, 895730), (1700, 816695), (1705, 814300), (1870, 742450), (1916, 724625), (2108, 658625), (2125, 653356), (2395, 579700), (2635, 526900), (2750, 504866), (3100, 447865), (3410, 407150), (3740, 371225), (3875, 358292), (4250, 326678), (4675, 296980), (4790, 289850), (5269, 263500), (5270, 263450), (5500, 252433), (5797, 239500), (6820, 203575), (7750, 179146), (8143, 170500), (8500, 163339), (8525, 162860), (9350, 148490), (9580, 144925), (10538, 131750), (10540, 131725), (11594, 119750), (11975, 115940), (13175, 105380), (14849, 93500), (15500, 89573), (16286, 85250), (17050, 81430), (18700, 74245), (21076, 65875), (23188, 59875), (23375, 59396), (23950, 57970), (26345, 52700), (26350, 52690), (28985, 47900), (29698, 46750), (32572, 42625), (34100, 40715)]