340204085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 490214592

約数和(自身を除く): 150010507

約数列:

[1, 5, 13, 17, 37, 53, 65, 85, 157, 185, 221, 265, 481, 629, 689, 785, 901, 1105, 1961, 2041, 2405, 2669, 3145, 3445, 4505, 5809, 8177, 8321, 9805, 10205, 11713, 13345, 25493, 29045, 33337, 34697, 40885, 41605, 58565, 75517, 98753, 108173, 127465, 141457, 166685, 173485, 307877, 377585, 433381, 493765, 540865, 707285, 1283789, 1539385, 1838941, 2166905, 4002401, 5233909, 6418945, 9194705, 20012005, 26169545, 68040817, 340204085]

約数ペア:

[(1, 340204085), (5, 68040817), (13, 26169545), (17, 20012005), (37, 9194705), (53, 6418945), (65, 5233909), (85, 4002401), (157, 2166905), (185, 1838941), (221, 1539385), (265, 1283789), (481, 707285), (629, 540865), (689, 493765), (785, 433381), (901, 377585), (1105, 307877), (1961, 173485), (2041, 166685), (2405, 141457), (2669, 127465), (3145, 108173), (3445, 98753), (4505, 75517), (5809, 58565), (8177, 41605), (8321, 40885), (9805, 34697), (10205, 33337), (11713, 29045), (13345, 25493)]