222725380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{258983}}^1$

素因数の和:259035

約数の個数: 24

約数和(自身を含む): 478602432

約数和(自身を除く): 255877052

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 258983, 517966, 1035932, 1294915, 2589830, 5179660, 11136269, 22272538, 44545076, 55681345, 111362690, 222725380]

約数ペア:

[(1, 222725380), (2, 111362690), (4, 55681345), (5, 44545076), (10, 22272538), (20, 11136269), (43, 5179660), (86, 2589830), (172, 1294915), (215, 1035932), (430, 517966), (860, 258983)]