191209790

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 349332480

約数和(自身を除く): 158122690

約数列:

[1, 2, 5, 10, 139, 151, 278, 302, 695, 755, 911, 1390, 1510, 1822, 4555, 9110, 20989, 41978, 104945, 126629, 137561, 209890, 253258, 275122, 633145, 687805, 1266290, 1375610, 19120979, 38241958, 95604895, 191209790]

約数ペア:

[(1, 191209790), (2, 95604895), (5, 38241958), (10, 19120979), (139, 1375610), (151, 1266290), (278, 687805), (302, 633145), (695, 275122), (755, 253258), (911, 209890), (1390, 137561), (1510, 126629), (1822, 104945), (4555, 41978), (9110, 20989)]