28445375

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 16482625

約数列:

[1, 5, 7, 19, 25, 29, 35, 59, 95, 125, 133, 145, 175, 203, 295, 413, 475, 551, 665, 725, 875, 1015, 1121, 1475, 1711, 2065, 2375, 2755, 3325, 3625, 3857, 5075, 5605, 7375, 7847, 8555, 10325, 11977, 13775, 16625, 19285, 25375, 28025, 32509, 39235, 42775, 51625, 59885, 68875, 96425, 140125, 162545, 196175, 213875, 227563, 299425, 482125, 812725, 980875, 1137815, 1497125, 4063625, 5689075, 28445375]

約数ペア:

[(1, 28445375), (5, 5689075), (7, 4063625), (19, 1497125), (25, 1137815), (29, 980875), (35, 812725), (59, 482125), (95, 299425), (125, 227563), (133, 213875), (145, 196175), (175, 162545), (203, 140125), (295, 96425), (413, 68875), (475, 59885), (551, 51625), (665, 42775), (725, 39235), (875, 32509), (1015, 28025), (1121, 25375), (1475, 19285), (1711, 16625), (2065, 13775), (2375, 11977), (2755, 10325), (3325, 8555), (3625, 7847), (3857, 7375), (5075, 5605)]