157415380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6791}}^1$

素因数の和:6880

約数の個数: 48

約数和(自身を含む): 353727360

約数和(自身を除く): 196311980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 6791, 11590, 13582, 23180, 27164, 33955, 67910, 129029, 135820, 258058, 414251, 516116, 645145, 828502, 1290290, 1657004, 2071255, 2580580, 4142510, 7870769, 8285020, 15741538, 31483076, 39353845, 78707690, 157415380]

約数ペア:

[(1, 157415380), (2, 78707690), (4, 39353845), (5, 31483076), (10, 15741538), (19, 8285020), (20, 7870769), (38, 4142510), (61, 2580580), (76, 2071255), (95, 1657004), (122, 1290290), (190, 828502), (244, 645145), (305, 516116), (380, 414251), (610, 258058), (1159, 135820), (1220, 129029), (2318, 67910), (4636, 33955), (5795, 27164), (6791, 23180), (11590, 13582)]