152079820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{977}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 328936608

約数和(自身を除く): 176856788

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 724, 860, 905, 977, 1810, 1954, 3620, 3908, 4885, 7783, 9770, 15566, 19540, 31132, 38915, 42011, 77830, 84022, 155660, 168044, 176837, 210055, 353674, 420110, 707348, 840220, 884185, 1768370, 3536740, 7603991, 15207982, 30415964, 38019955, 76039910, 152079820]

約数ペア:

[(1, 152079820), (2, 76039910), (4, 38019955), (5, 30415964), (10, 15207982), (20, 7603991), (43, 3536740), (86, 1768370), (172, 884185), (181, 840220), (215, 707348), (362, 420110), (430, 353674), (724, 210055), (860, 176837), (905, 168044), (977, 155660), (1810, 84022), (1954, 77830), (3620, 42011), (3908, 38915), (4885, 31132), (7783, 19540), (9770, 15566)]