210380275

素因数分解:

$5^2\times 7^2\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:940

約数の個数: 36

約数和(自身を含む): 305083152

約数和(自身を除く): 94702877

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 263, 653, 1225, 1315, 1841, 3265, 4571, 6575, 9205, 12887, 16325, 22855, 31997, 46025, 64435, 114275, 159985, 171739, 322175, 799925, 858695, 1202173, 4293475, 6010865, 8415211, 30054325, 42076055, 210380275]

約数ペア:

[(1, 210380275), (5, 42076055), (7, 30054325), (25, 8415211), (35, 6010865), (49, 4293475), (175, 1202173), (245, 858695), (263, 799925), (653, 322175), (1225, 171739), (1315, 159985), (1841, 114275), (3265, 64435), (4571, 46025), (6575, 31997), (9205, 22855), (12887, 16325)]