2451569140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1\times {\mathrm{1949}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 5207202000

約数和(自身を除く): 2755632860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 577, 1090, 1154, 1949, 2180, 2308, 2885, 3898, 5770, 7796, 9745, 11540, 19490, 38980, 62893, 125786, 212441, 251572, 314465, 424882, 628930, 849764, 1062205, 1124573, 1257860, 2124410, 2249146, 4248820, 4498292, 5622865, 11245730, 22491460, 122578457, 245156914, 490313828, 612892285, 1225784570, 2451569140]

約数ペア:

[(1, 2451569140), (2, 1225784570), (4, 612892285), (5, 490313828), (10, 245156914), (20, 122578457), (109, 22491460), (218, 11245730), (436, 5622865), (545, 4498292), (577, 4248820), (1090, 2249146), (1154, 2124410), (1949, 1257860), (2180, 1124573), (2308, 1062205), (2885, 849764), (3898, 628930), (5770, 424882), (7796, 314465), (9745, 251572), (11540, 212441), (19490, 125786), (38980, 62893)]