396543560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{1291}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 1021403520

約数和(自身を除く): 624859960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1097, 1291, 2194, 2582, 4388, 5164, 5485, 6455, 7679, 8776, 9037, 10328, 10970, 12910, 15358, 18074, 21940, 25820, 30716, 36148, 38395, 43880, 45185, 51640, 61432, 72296, 76790, 90370, 153580, 180740, 307160, 361480, 1416227, 2832454, 5664908, 7081135, 9913589, 11329816, 14162270, 19827178, 28324540, 39654356, 49567945, 56649080, 79308712, 99135890, 198271780, 396543560]

約数ペア:

[(1, 396543560), (2, 198271780), (4, 99135890), (5, 79308712), (7, 56649080), (8, 49567945), (10, 39654356), (14, 28324540), (20, 19827178), (28, 14162270), (35, 11329816), (40, 9913589), (56, 7081135), (70, 5664908), (140, 2832454), (280, 1416227), (1097, 361480), (1291, 307160), (2194, 180740), (2582, 153580), (4388, 90370), (5164, 76790), (5485, 72296), (6455, 61432), (7679, 51640), (8776, 45185), (9037, 43880), (10328, 38395), (10970, 36148), (12910, 30716), (15358, 25820), (18074, 21940)]