130144540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{443}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 282032352

約数和(自身を除く): 151887812

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 397, 443, 740, 794, 886, 1588, 1772, 1985, 2215, 3970, 4430, 7940, 8860, 14689, 16391, 29378, 32782, 58756, 65564, 73445, 81955, 146890, 163910, 175871, 293780, 327820, 351742, 703484, 879355, 1758710, 3517420, 6507227, 13014454, 26028908, 32536135, 65072270, 130144540]

約数ペア:

[(1, 130144540), (2, 65072270), (4, 32536135), (5, 26028908), (10, 13014454), (20, 6507227), (37, 3517420), (74, 1758710), (148, 879355), (185, 703484), (370, 351742), (397, 327820), (443, 293780), (740, 175871), (794, 163910), (886, 146890), (1588, 81955), (1772, 73445), (1985, 65564), (2215, 58756), (3970, 32782), (4430, 29378), (7940, 16391), (8860, 14689)]