853597640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{1097}}^1$

素因数の和:1519

約数の個数: 96

約数和(自身を含む): 2241830520

約数和(自身を除く): 1388232880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 397, 490, 794, 980, 1097, 1588, 1960, 1985, 2194, 2779, 3176, 3970, 4388, 5485, 5558, 7679, 7940, 8776, 10970, 11116, 13895, 15358, 15880, 19453, 21940, 22232, 27790, 30716, 38395, 38906, 43880, 53753, 55580, 61432, 76790, 77812, 97265, 107506, 111160, 153580, 155624, 194530, 215012, 268765, 307160, 389060, 430024, 435509, 537530, 778120, 871018, 1075060, 1742036, 2150120, 2177545, 3048563, 3484072, 4355090, 6097126, 8710180, 12194252, 15242815, 17420360, 21339941, 24388504, 30485630, 42679882, 60971260, 85359764, 106699705, 121942520, 170719528, 213399410, 426798820, 853597640]

約数ペア:

[(1, 853597640), (2, 426798820), (4, 213399410), (5, 170719528), (7, 121942520), (8, 106699705), (10, 85359764), (14, 60971260), (20, 42679882), (28, 30485630), (35, 24388504), (40, 21339941), (49, 17420360), (56, 15242815), (70, 12194252), (98, 8710180), (140, 6097126), (196, 4355090), (245, 3484072), (280, 3048563), (392, 2177545), (397, 2150120), (490, 1742036), (794, 1075060), (980, 871018), (1097, 778120), (1588, 537530), (1960, 435509), (1985, 430024), (2194, 389060), (2779, 307160), (3176, 268765), (3970, 215012), (4388, 194530), (5485, 155624), (5558, 153580), (7679, 111160), (7940, 107506), (8776, 97265), (10970, 77812), (11116, 76790), (13895, 61432), (15358, 55580), (15880, 53753), (19453, 43880), (21940, 38906), (22232, 38395), (27790, 30716)]