2891640605

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 4214868480

約数和(自身を除く): 1323227875

約数列:

[1, 5, 7, 29, 35, 67, 101, 145, 203, 335, 421, 469, 505, 707, 1015, 1943, 2105, 2345, 2929, 2947, 3535, 6767, 9715, 12209, 13601, 14645, 14735, 20503, 28207, 33835, 42521, 47369, 61045, 68005, 85463, 102515, 141035, 196243, 197449, 212605, 236845, 297647, 427315, 818003, 981215, 987245, 1233109, 1373701, 1488235, 2848907, 4090015, 5726021, 6165545, 6868505, 8631763, 14244535, 19942349, 28630105, 43158815, 82618303, 99711745, 413091515, 578328121, 2891640605]

約数ペア:

[(1, 2891640605), (5, 578328121), (7, 413091515), (29, 99711745), (35, 82618303), (67, 43158815), (101, 28630105), (145, 19942349), (203, 14244535), (335, 8631763), (421, 6868505), (469, 6165545), (505, 5726021), (707, 4090015), (1015, 2848907), (1943, 1488235), (2105, 1373701), (2345, 1233109), (2929, 987245), (2947, 981215), (3535, 818003), (6767, 427315), (9715, 297647), (12209, 236845), (13601, 212605), (14645, 197449), (14735, 196243), (20503, 141035), (28207, 102515), (33835, 85463), (42521, 68005), (47369, 61045)]