275121520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181001}}^1$

素因数の和:181033

約数の個数: 40

約数和(自身を含む): 673327440

約数和(自身を除く): 398205920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 181001, 362002, 724004, 905005, 1448008, 1810010, 2896016, 3439019, 3620020, 6878038, 7240040, 13756076, 14480080, 17195095, 27512152, 34390190, 55024304, 68780380, 137560760, 275121520]

約数ペア:

[(1, 275121520), (2, 137560760), (4, 68780380), (5, 55024304), (8, 34390190), (10, 27512152), (16, 17195095), (19, 14480080), (20, 13756076), (38, 7240040), (40, 6878038), (76, 3620020), (80, 3439019), (95, 2896016), (152, 1810010), (190, 1448008), (304, 905005), (380, 724004), (760, 362002), (1520, 181001)]