199990235

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 256132800

約数和(自身を除く): 56142565

約数列:

[1, 5, 29, 59, 97, 145, 241, 295, 485, 1205, 1711, 2813, 5723, 6989, 8555, 14065, 14219, 23377, 28615, 34945, 71095, 116885, 165967, 412351, 677933, 829835, 1379243, 2061755, 3389665, 6896215, 39998047, 199990235]

約数ペア:

[(1, 199990235), (5, 39998047), (29, 6896215), (59, 3389665), (97, 2061755), (145, 1379243), (241, 829835), (295, 677933), (485, 412351), (1205, 165967), (1711, 116885), (2813, 71095), (5723, 34945), (6989, 28615), (8555, 23377), (14065, 14219)]