289149980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 760142880

約数和(自身を除く): 470992900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 53, 70, 76, 95, 98, 106, 133, 140, 190, 196, 212, 245, 265, 266, 293, 371, 380, 490, 530, 532, 586, 665, 742, 931, 980, 1007, 1060, 1172, 1330, 1465, 1484, 1855, 1862, 2014, 2051, 2597, 2660, 2930, 3710, 3724, 4028, 4102, 4655, 5035, 5194, 5567, 5860, 7049, 7420, 8204, 9310, 10070, 10255, 10388, 11134, 12985, 14098, 14357, 15529, 18620, 20140, 20510, 22268, 25970, 27835, 28196, 28714, 31058, 35245, 38969, 41020, 49343, 51940, 55670, 57428, 62116, 70490, 71785, 77645, 77938, 98686, 108703, 111340, 140980, 143570, 155290, 155876, 194845, 197372, 217406, 246715, 272783, 287140, 295051, 310580, 389690, 434812, 493430, 543515, 545566, 590102, 760921, 779380, 986860, 1087030, 1091132, 1180204, 1363915, 1475255, 1521842, 2065357, 2174060, 2727830, 2950510, 3043684, 3804605, 4130714, 5455660, 5901020, 7609210, 8261428, 10326785, 14457499, 15218420, 20653570, 28914998, 41307140, 57829996, 72287495, 144574990, 289149980]

約数ペア:

[(1, 289149980), (2, 144574990), (4, 72287495), (5, 57829996), (7, 41307140), (10, 28914998), (14, 20653570), (19, 15218420), (20, 14457499), (28, 10326785), (35, 8261428), (38, 7609210), (49, 5901020), (53, 5455660), (70, 4130714), (76, 3804605), (95, 3043684), (98, 2950510), (106, 2727830), (133, 2174060), (140, 2065357), (190, 1521842), (196, 1475255), (212, 1363915), (245, 1180204), (265, 1091132), (266, 1087030), (293, 986860), (371, 779380), (380, 760921), (490, 590102), (530, 545566), (532, 543515), (586, 493430), (665, 434812), (742, 389690), (931, 310580), (980, 295051), (1007, 287140), (1060, 272783), (1172, 246715), (1330, 217406), (1465, 197372), (1484, 194845), (1855, 155876), (1862, 155290), (2014, 143570), (2051, 140980), (2597, 111340), (2660, 108703), (2930, 98686), (3710, 77938), (3724, 77645), (4028, 71785), (4102, 70490), (4655, 62116), (5035, 57428), (5194, 55670), (5567, 51940), (5860, 49343), (7049, 41020), (7420, 38969), (8204, 35245), (9310, 31058), (10070, 28714), (10255, 28196), (10388, 27835), (11134, 25970), (12985, 22268), (14098, 20510), (14357, 20140), (15529, 18620)]