163977340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3238

約数の個数: 48

約数和(自身を含む): 358755264

約数和(自身を除く): 194777924

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 3121, 5254, 6242, 10508, 12484, 13135, 15605, 26270, 31210, 52540, 62420, 115477, 221591, 230954, 443182, 461908, 577385, 886364, 1107955, 1154770, 2215910, 2309540, 4431820, 8198867, 16397734, 32795468, 40994335, 81988670, 163977340]

約数ペア:

[(1, 163977340), (2, 81988670), (4, 40994335), (5, 32795468), (10, 16397734), (20, 8198867), (37, 4431820), (71, 2309540), (74, 2215910), (142, 1154770), (148, 1107955), (185, 886364), (284, 577385), (355, 461908), (370, 443182), (710, 230954), (740, 221591), (1420, 115477), (2627, 62420), (3121, 52540), (5254, 31210), (6242, 26270), (10508, 15605), (12484, 13135)]