279209890

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 508286016

約数和(自身を除く): 229076126

約数列:

[1, 2, 5, 10, 173, 251, 346, 502, 643, 865, 1255, 1286, 1730, 2510, 3215, 6430, 43423, 86846, 111239, 161393, 217115, 222478, 322786, 434230, 556195, 806965, 1112390, 1613930, 27920989, 55841978, 139604945, 279209890]

約数ペア:

[(1, 279209890), (2, 139604945), (5, 55841978), (10, 27920989), (173, 1613930), (251, 1112390), (346, 806965), (502, 556195), (643, 434230), (865, 322786), (1255, 222478), (1286, 217115), (1730, 161393), (2510, 111239), (3215, 86846), (6430, 43423)]