195780025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 292552704

約数和(自身を除く): 96772679

約数列:

[1, 5, 7, 23, 25, 35, 115, 127, 161, 175, 383, 575, 635, 805, 889, 1915, 2681, 2921, 3175, 4025, 4445, 8809, 9575, 13405, 14605, 20447, 22225, 44045, 48641, 61663, 67025, 73025, 102235, 220225, 243205, 308315, 340487, 511175, 1118743, 1216025, 1541575, 1702435, 5593715, 7831201, 8512175, 27968575, 39156005, 195780025]

約数ペア:

[(1, 195780025), (5, 39156005), (7, 27968575), (23, 8512175), (25, 7831201), (35, 5593715), (115, 1702435), (127, 1541575), (161, 1216025), (175, 1118743), (383, 511175), (575, 340487), (635, 308315), (805, 243205), (889, 220225), (1915, 102235), (2681, 73025), (2921, 67025), (3175, 61663), (4025, 48641), (4445, 44045), (8809, 22225), (9575, 20447), (13405, 14605)]