398295970

素因数分解:

$2^1\times 5^1\times {\mathrm{9623}}^1\times {\mathrm{4139}}^1$

素因数の和:13769

約数の個数: 16

約数和(自身を含む): 717180480

約数和(自身を除く): 318884510

約数列:

[1, 2, 5, 10, 4139, 8278, 9623, 19246, 20695, 41390, 48115, 96230, 39829597, 79659194, 199147985, 398295970]

約数ペア:

[(1, 398295970), (2, 199147985), (5, 79659194), (10, 39829597), (4139, 96230), (8278, 48115), (9623, 41390), (19246, 20695)]