1397580970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{349}}^1\times {\mathrm{757}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 2640796200

約数和(自身を除く): 1243215230

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 349, 529, 698, 757, 1058, 1514, 1745, 2645, 3490, 3785, 5290, 7570, 8027, 16054, 17411, 34822, 40135, 80270, 87055, 174110, 184621, 264193, 369242, 400453, 528386, 800906, 923105, 1320965, 1846210, 2002265, 2641930, 4004530, 6076439, 12152878, 30382195, 60764390, 139758097, 279516194, 698790485, 1397580970]

約数ペア:

[(1, 1397580970), (2, 698790485), (5, 279516194), (10, 139758097), (23, 60764390), (46, 30382195), (115, 12152878), (230, 6076439), (349, 4004530), (529, 2641930), (698, 2002265), (757, 1846210), (1058, 1320965), (1514, 923105), (1745, 800906), (2645, 528386), (3490, 400453), (3785, 369242), (5290, 264193), (7570, 184621), (8027, 174110), (16054, 87055), (17411, 80270), (34822, 40135)]