198624250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{72227}}^1$

素因数の和:72255

約数の個数: 32

約数和(自身を含む): 405632448

約数和(自身を除く): 207008198

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 72227, 144454, 361135, 722270, 794497, 1588994, 1805675, 3611350, 3972485, 7944970, 9028375, 18056750, 19862425, 39724850, 99312125, 198624250]

約数ペア:

[(1, 198624250), (2, 99312125), (5, 39724850), (10, 19862425), (11, 18056750), (22, 9028375), (25, 7944970), (50, 3972485), (55, 3611350), (110, 1805675), (125, 1588994), (250, 794497), (275, 722270), (550, 361135), (1375, 144454), (2750, 72227)]