201898025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 302075904

約数和(自身を除く): 100177879

約数列:

[1, 5, 7, 23, 25, 35, 103, 115, 161, 175, 487, 515, 575, 721, 805, 2369, 2435, 2575, 3409, 3605, 4025, 11201, 11845, 12175, 16583, 17045, 18025, 50161, 56005, 59225, 78407, 82915, 85225, 250805, 280025, 351127, 392035, 414575, 1153703, 1254025, 1755635, 1960175, 5768515, 8075921, 8778175, 28842575, 40379605, 201898025]

約数ペア:

[(1, 201898025), (5, 40379605), (7, 28842575), (23, 8778175), (25, 8075921), (35, 5768515), (103, 1960175), (115, 1755635), (161, 1254025), (175, 1153703), (487, 414575), (515, 392035), (575, 351127), (721, 280025), (805, 250805), (2369, 85225), (2435, 82915), (2575, 78407), (3409, 59225), (3605, 56005), (4025, 50161), (11201, 18025), (11845, 17045), (12175, 16583)]