1381625860

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{359}}^1\times {\mathrm{571}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 2923240320

約数和(自身を除く): 1541614460

約数列:

[1, 2, 4, 5, 10, 20, 337, 359, 571, 674, 718, 1142, 1348, 1436, 1685, 1795, 2284, 2855, 3370, 3590, 5710, 6740, 7180, 11420, 120983, 192427, 204989, 241966, 384854, 409978, 483932, 604915, 769708, 819956, 962135, 1024945, 1209830, 1924270, 2049890, 2419660, 3848540, 4099780, 69081293, 138162586, 276325172, 345406465, 690812930, 1381625860]

約数ペア:

[(1, 1381625860), (2, 690812930), (4, 345406465), (5, 276325172), (10, 138162586), (20, 69081293), (337, 4099780), (359, 3848540), (571, 2419660), (674, 2049890), (718, 1924270), (1142, 1209830), (1348, 1024945), (1436, 962135), (1685, 819956), (1795, 769708), (2284, 604915), (2855, 483932), (3370, 409978), (3590, 384854), (5710, 241966), (6740, 204989), (7180, 192427), (11420, 120983)]