201997037740

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1511}}^1\times {\mathrm{15877}}^1$

素因数の和:17818

約数の個数: 48

約数和(自身を含む): 425509568064

約数和(自身を除く): 223512530324

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1511, 1684, 2105, 3022, 4210, 6044, 7555, 8420, 15110, 15877, 30220, 31754, 63508, 79385, 158770, 317540, 636131, 1272262, 2544524, 3180655, 6361310, 6684217, 12722620, 13368434, 23990147, 26736868, 33421085, 47980294, 66842170, 95960588, 119950735, 133684340, 239901470, 479802940, 10099851887, 20199703774, 40399407548, 50499259435, 100998518870, 201997037740]

約数ペア:

[(1, 201997037740), (2, 100998518870), (4, 50499259435), (5, 40399407548), (10, 20199703774), (20, 10099851887), (421, 479802940), (842, 239901470), (1511, 133684340), (1684, 119950735), (2105, 95960588), (3022, 66842170), (4210, 47980294), (6044, 33421085), (7555, 26736868), (8420, 23990147), (15110, 13368434), (15877, 12722620), (30220, 6684217), (31754, 6361310), (63508, 3180655), (79385, 2544524), (158770, 1272262), (317540, 636131)]