490295038

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 786090240

約数和(自身を除く): 295795202

約数列:

[1, 2, 19, 38, 103, 206, 347, 361, 694, 722, 1957, 3914, 6593, 6859, 13186, 13718, 35741, 37183, 71482, 74366, 125267, 250534, 679079, 706477, 1358158, 1412954, 2380073, 4760146, 12902501, 25805002, 245147519, 490295038]

約数ペア:

[(1, 490295038), (2, 245147519), (19, 25805002), (38, 12902501), (103, 4760146), (206, 2380073), (347, 1412954), (361, 1358158), (694, 706477), (722, 679079), (1957, 250534), (3914, 125267), (6593, 74366), (6859, 71482), (13186, 37183), (13718, 35741)]