115985690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^4\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 40

約数和(自身を含む): 222848820

約数和(自身を除く): 106863130

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 361, 445, 722, 890, 1691, 1805, 3382, 3610, 6859, 8455, 13718, 16910, 32129, 34295, 64258, 68590, 130321, 160645, 260642, 321290, 610451, 651605, 1220902, 1303210, 3052255, 6104510, 11598569, 23197138, 57992845, 115985690]

約数ペア:

[(1, 115985690), (2, 57992845), (5, 23197138), (10, 11598569), (19, 6104510), (38, 3052255), (89, 1303210), (95, 1220902), (178, 651605), (190, 610451), (361, 321290), (445, 260642), (722, 160645), (890, 130321), (1691, 68590), (1805, 64258), (3382, 34295), (3610, 32129), (6859, 16910), (8455, 13718)]