154436180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2063}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 343284480

約数和(自身を除く): 188848300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 788, 985, 1970, 2063, 3743, 3940, 4126, 7486, 8252, 10315, 14972, 18715, 20630, 37430, 39197, 41260, 74860, 78394, 156788, 195985, 391970, 406411, 783940, 812822, 1625644, 2032055, 4064110, 7721809, 8128220, 15443618, 30887236, 38609045, 77218090, 154436180]

約数ペア:

[(1, 154436180), (2, 77218090), (4, 38609045), (5, 30887236), (10, 15443618), (19, 8128220), (20, 7721809), (38, 4064110), (76, 2032055), (95, 1625644), (190, 812822), (197, 783940), (380, 406411), (394, 391970), (788, 195985), (985, 156788), (1970, 78394), (2063, 74860), (3743, 41260), (3940, 39197), (4126, 37430), (7486, 20630), (8252, 18715), (10315, 14972)]