494955020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{919}}^1\times {\mathrm{3847}}^1$

素因数の和:4782

約数の個数: 48

約数和(自身を含む): 1189493760

約数和(自身を除く): 694538740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 919, 1838, 3676, 3847, 4595, 6433, 7694, 9190, 12866, 15388, 18380, 19235, 25732, 26929, 32165, 38470, 53858, 64330, 76940, 107716, 128660, 134645, 269290, 538580, 3535393, 7070786, 14141572, 17676965, 24747751, 35353930, 49495502, 70707860, 98991004, 123738755, 247477510, 494955020]

約数ペア:

[(1, 494955020), (2, 247477510), (4, 123738755), (5, 98991004), (7, 70707860), (10, 49495502), (14, 35353930), (20, 24747751), (28, 17676965), (35, 14141572), (70, 7070786), (140, 3535393), (919, 538580), (1838, 269290), (3676, 134645), (3847, 128660), (4595, 107716), (6433, 76940), (7694, 64330), (9190, 53858), (12866, 38470), (15388, 32165), (18380, 26929), (19235, 25732)]