499492045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 740033280

約数和(自身を除く): 240541235

約数列:

[1, 5, 13, 17, 19, 37, 65, 85, 95, 185, 221, 247, 323, 481, 629, 643, 703, 1105, 1235, 1615, 2405, 3145, 3215, 3515, 4199, 8177, 8359, 9139, 10931, 11951, 12217, 20995, 23791, 40885, 41795, 45695, 54655, 59755, 61085, 118955, 142103, 155363, 158821, 207689, 309283, 404447, 452029, 710515, 776815, 794105, 1038445, 1546415, 2022235, 2260145, 2699957, 5257811, 5876377, 7684493, 13499785, 26289055, 29381885, 38422465, 99898409, 499492045]

約数ペア:

[(1, 499492045), (5, 99898409), (13, 38422465), (17, 29381885), (19, 26289055), (37, 13499785), (65, 7684493), (85, 5876377), (95, 5257811), (185, 2699957), (221, 2260145), (247, 2022235), (323, 1546415), (481, 1038445), (629, 794105), (643, 776815), (703, 710515), (1105, 452029), (1235, 404447), (1615, 309283), (2405, 207689), (3145, 158821), (3215, 155363), (3515, 142103), (4199, 118955), (8177, 61085), (8359, 59755), (9139, 54655), (10931, 45695), (11951, 41795), (12217, 40885), (20995, 23791)]