77019380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 166489344

約数和(自身を除く): 89469964

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 743, 1420, 1460, 1486, 2972, 3715, 5183, 7430, 10366, 14860, 20732, 25915, 51830, 52753, 54239, 103660, 105506, 108478, 211012, 216956, 263765, 271195, 527530, 542390, 1055060, 1084780, 3850969, 7701938, 15403876, 19254845, 38509690, 77019380]

約数ペア:

[(1, 77019380), (2, 38509690), (4, 19254845), (5, 15403876), (10, 7701938), (20, 3850969), (71, 1084780), (73, 1055060), (142, 542390), (146, 527530), (284, 271195), (292, 263765), (355, 216956), (365, 211012), (710, 108478), (730, 105506), (743, 103660), (1420, 54239), (1460, 52753), (1486, 51830), (2972, 25915), (3715, 20732), (5183, 14860), (7430, 10366)]