347942725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 514099040

約数和(自身を除く): 166156315

約数列:

[1, 5, 13, 19, 25, 29, 65, 67, 95, 145, 247, 325, 335, 377, 475, 551, 725, 841, 871, 1235, 1273, 1675, 1885, 1943, 2755, 4205, 4355, 6175, 6365, 7163, 9425, 9715, 10933, 13775, 15979, 16549, 21025, 21775, 25259, 31825, 35815, 36917, 48575, 54665, 56347, 79895, 82745, 126295, 179075, 184585, 207727, 273325, 281735, 399475, 413725, 479921, 631475, 732511, 922925, 1038635, 1070593, 1408675, 2399605, 3662555, 5193175, 5352965, 11998025, 13917709, 18312775, 26764825, 69588545, 347942725]

約数ペア:

[(1, 347942725), (5, 69588545), (13, 26764825), (19, 18312775), (25, 13917709), (29, 11998025), (65, 5352965), (67, 5193175), (95, 3662555), (145, 2399605), (247, 1408675), (325, 1070593), (335, 1038635), (377, 922925), (475, 732511), (551, 631475), (725, 479921), (841, 413725), (871, 399475), (1235, 281735), (1273, 273325), (1675, 207727), (1885, 184585), (1943, 179075), (2755, 126295), (4205, 82745), (4355, 79895), (6175, 56347), (6365, 54665), (7163, 48575), (9425, 36917), (9715, 35815), (10933, 31825), (13775, 25259), (15979, 21775), (16549, 21025)]