1687960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 3999600

約数和(自身を除く): 2311640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2221, 4442, 8884, 11105, 17768, 22210, 42199, 44420, 84398, 88840, 168796, 210995, 337592, 421990, 843980, 1687960]

約数ペア:

[(1, 1687960), (2, 843980), (4, 421990), (5, 337592), (8, 210995), (10, 168796), (19, 88840), (20, 84398), (38, 44420), (40, 42199), (76, 22210), (95, 17768), (152, 11105), (190, 8884), (380, 4442), (760, 2221)]