209225510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 422392320

約数和(自身を除く): 213166810

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 193, 269, 310, 386, 403, 538, 806, 965, 1345, 1930, 2015, 2509, 2690, 3497, 4030, 5018, 5983, 6994, 8339, 11966, 12545, 16678, 17485, 25090, 29915, 34970, 41695, 51917, 59830, 77779, 83390, 103834, 108407, 155558, 216814, 259585, 388895, 519170, 542035, 674921, 777790, 1084070, 1349842, 1609427, 3218854, 3374605, 6749210, 8047135, 16094270, 20922551, 41845102, 104612755, 209225510]

約数ペア:

[(1, 209225510), (2, 104612755), (5, 41845102), (10, 20922551), (13, 16094270), (26, 8047135), (31, 6749210), (62, 3374605), (65, 3218854), (130, 1609427), (155, 1349842), (193, 1084070), (269, 777790), (310, 674921), (386, 542035), (403, 519170), (538, 388895), (806, 259585), (965, 216814), (1345, 155558), (1930, 108407), (2015, 103834), (2509, 83390), (2690, 77779), (3497, 59830), (4030, 51917), (5018, 41695), (5983, 34970), (6994, 29915), (8339, 25090), (11966, 17485), (12545, 16678)]