1697840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1117}}^1$

素因数の和:1149

約数の個数: 40

約数和(自身を含む): 4158960

約数和(自身を除く): 2461120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1117, 1520, 2234, 4468, 5585, 8936, 11170, 17872, 21223, 22340, 42446, 44680, 84892, 89360, 106115, 169784, 212230, 339568, 424460, 848920, 1697840]

約数ペア:

[(1, 1697840), (2, 848920), (4, 424460), (5, 339568), (8, 212230), (10, 169784), (16, 106115), (19, 89360), (20, 84892), (38, 44680), (40, 42446), (76, 22340), (80, 21223), (95, 17872), (152, 11170), (190, 8936), (304, 5585), (380, 4468), (760, 2234), (1117, 1520)]