1140147686840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{919473941}}^1$

素因数の和:919473983

約数の個数: 32

約数和(自身を含む): 2648084952960

約数和(自身を除く): 1507937266120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 919473941, 1838947882, 3677895764, 4597369705, 7355791528, 9194739410, 18389478820, 28503692171, 36778957640, 57007384342, 114014768684, 142518460855, 228029537368, 285036921710, 570073843420, 1140147686840]

約数ペア:

[(1, 1140147686840), (2, 570073843420), (4, 285036921710), (5, 228029537368), (8, 142518460855), (10, 114014768684), (20, 57007384342), (31, 36778957640), (40, 28503692171), (62, 18389478820), (124, 9194739410), (155, 7355791528), (248, 4597369705), (310, 3677895764), (620, 1838947882), (1240, 919473941)]