275120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:213

約数の個数: 40

約数和(自身を含む): 677040

約数和(自身を除く): 401920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 181, 190, 304, 362, 380, 724, 760, 905, 1448, 1520, 1810, 2896, 3439, 3620, 6878, 7240, 13756, 14480, 17195, 27512, 34390, 55024, 68780, 137560, 275120]

約数ペア:

[(1, 275120), (2, 137560), (4, 68780), (5, 55024), (8, 34390), (10, 27512), (16, 17195), (19, 14480), (20, 13756), (38, 7240), (40, 6878), (76, 3620), (80, 3439), (95, 2896), (152, 1810), (181, 1520), (190, 1448), (304, 905), (362, 760), (380, 724)]