189119975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:752

約数の個数: 36

約数和(自身を含む): 260738520

約数和(自身を除く): 71618545

約数列:

[1, 5, 11, 25, 55, 101, 121, 275, 505, 605, 619, 1111, 2525, 3025, 3095, 5555, 6809, 12221, 15475, 27775, 34045, 61105, 62519, 74899, 170225, 305525, 312595, 374495, 687709, 1562975, 1872475, 3438545, 7564799, 17192725, 37823995, 189119975]

約数ペア:

[(1, 189119975), (5, 37823995), (11, 17192725), (25, 7564799), (55, 3438545), (101, 1872475), (121, 1562975), (275, 687709), (505, 374495), (605, 312595), (619, 305525), (1111, 170225), (2525, 74899), (3025, 62519), (3095, 61105), (5555, 34045), (6809, 27775), (12221, 15475)]