807519020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 2169423648

約数和(自身を除く): 1361904628

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 173, 196, 220, 245, 308, 346, 385, 433, 490, 539, 692, 770, 865, 866, 980, 1078, 1211, 1540, 1730, 1732, 1903, 2156, 2165, 2422, 2695, 3031, 3460, 3806, 4330, 4763, 4844, 5390, 6055, 6062, 7612, 8477, 8660, 9515, 9526, 10780, 12110, 12124, 13321, 15155, 16954, 19030, 19052, 21217, 23815, 24220, 26642, 30310, 33341, 33908, 38060, 42385, 42434, 47630, 53284, 60620, 66605, 66682, 74909, 84770, 84868, 93247, 95260, 106085, 133210, 133364, 149818, 166705, 169540, 186494, 212170, 233387, 266420, 299636, 333410, 372988, 374545, 424340, 466235, 466774, 524363, 666820, 749090, 823999, 932470, 933548, 1048726, 1166935, 1498180, 1647998, 1864940, 2097452, 2333870, 2621815, 3295996, 3670541, 4119995, 4667740, 5243630, 5767993, 7341082, 8239990, 10487260, 11535986, 14682164, 16479980, 18352705, 23071972, 28839965, 36705410, 40375951, 57679930, 73410820, 80751902, 115359860, 161503804, 201879755, 403759510, 807519020]

約数ペア:

[(1, 807519020), (2, 403759510), (4, 201879755), (5, 161503804), (7, 115359860), (10, 80751902), (11, 73410820), (14, 57679930), (20, 40375951), (22, 36705410), (28, 28839965), (35, 23071972), (44, 18352705), (49, 16479980), (55, 14682164), (70, 11535986), (77, 10487260), (98, 8239990), (110, 7341082), (140, 5767993), (154, 5243630), (173, 4667740), (196, 4119995), (220, 3670541), (245, 3295996), (308, 2621815), (346, 2333870), (385, 2097452), (433, 1864940), (490, 1647998), (539, 1498180), (692, 1166935), (770, 1048726), (865, 933548), (866, 932470), (980, 823999), (1078, 749090), (1211, 666820), (1540, 524363), (1730, 466774), (1732, 466235), (1903, 424340), (2156, 374545), (2165, 372988), (2422, 333410), (2695, 299636), (3031, 266420), (3460, 233387), (3806, 212170), (4330, 186494), (4763, 169540), (4844, 166705), (5390, 149818), (6055, 133364), (6062, 133210), (7612, 106085), (8477, 95260), (8660, 93247), (9515, 84868), (9526, 84770), (10780, 74909), (12110, 66682), (12124, 66605), (13321, 60620), (15155, 53284), (16954, 47630), (19030, 42434), (19052, 42385), (21217, 38060), (23815, 33908), (24220, 33341), (26642, 30310)]