397073020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{1063}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 879459840

約数和(自身を除く): 482386820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 983, 1063, 1966, 2126, 3932, 4252, 4915, 5315, 9830, 10630, 18677, 19660, 20197, 21260, 37354, 40394, 74708, 80788, 93385, 100985, 186770, 201970, 373540, 403940, 1044929, 2089858, 4179716, 5224645, 10449290, 19853651, 20898580, 39707302, 79414604, 99268255, 198536510, 397073020]

約数ペア:

[(1, 397073020), (2, 198536510), (4, 99268255), (5, 79414604), (10, 39707302), (19, 20898580), (20, 19853651), (38, 10449290), (76, 5224645), (95, 4179716), (190, 2089858), (380, 1044929), (983, 403940), (1063, 373540), (1966, 201970), (2126, 186770), (3932, 100985), (4252, 93385), (4915, 80788), (5315, 74708), (9830, 40394), (10630, 37354), (18677, 21260), (19660, 20197)]