290531256

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{390499}}^1$

素因数の和:390539

約数の個数: 32

約数和(自身を含む): 749760000

約数和(自身を除く): 459228744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 390499, 780998, 1171497, 1561996, 2342994, 3123992, 4685988, 9371976, 12105469, 24210938, 36316407, 48421876, 72632814, 96843752, 145265628, 290531256]

約数ペア:

[(1, 290531256), (2, 145265628), (3, 96843752), (4, 72632814), (6, 48421876), (8, 36316407), (12, 24210938), (24, 12105469), (31, 9371976), (62, 4685988), (93, 3123992), (124, 2342994), (186, 1561996), (248, 1171497), (372, 780998), (744, 390499)]