206869775

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 308504064

約数和(自身を除く): 101634289

約数列:

[1, 5, 7, 25, 35, 37, 43, 175, 185, 215, 259, 301, 743, 925, 1075, 1295, 1505, 1591, 3715, 5201, 6475, 7525, 7955, 11137, 18575, 26005, 27491, 31949, 39775, 55685, 130025, 137455, 159745, 192437, 223643, 278425, 687275, 798725, 962185, 1118215, 1182113, 4810925, 5591075, 5910565, 8274791, 29552825, 41373955, 206869775]

約数ペア:

[(1, 206869775), (5, 41373955), (7, 29552825), (25, 8274791), (35, 5910565), (37, 5591075), (43, 4810925), (175, 1182113), (185, 1118215), (215, 962185), (259, 798725), (301, 687275), (743, 278425), (925, 223643), (1075, 192437), (1295, 159745), (1505, 137455), (1591, 130025), (3715, 55685), (5201, 39775), (6475, 31949), (7525, 27491), (7955, 26005), (11137, 18575)]