291230480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191599}}^1$

素因数の和:191631

約数の個数: 40

約数和(自身を含む): 712752000

約数和(自身を除く): 421521520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 191599, 383198, 766396, 957995, 1532792, 1915990, 3065584, 3640381, 3831980, 7280762, 7663960, 14561524, 15327920, 18201905, 29123048, 36403810, 58246096, 72807620, 145615240, 291230480]

約数ペア:

[(1, 291230480), (2, 145615240), (4, 72807620), (5, 58246096), (8, 36403810), (10, 29123048), (16, 18201905), (19, 15327920), (20, 14561524), (38, 7663960), (40, 7280762), (76, 3831980), (80, 3640381), (95, 3065584), (152, 1915990), (190, 1532792), (304, 957995), (380, 766396), (760, 383198), (1520, 191599)]