290691870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1384247}}^1$

素因数の和:1384264

約数の個数: 32

約数和(自身を含む): 797326848

約数和(自身を除く): 506634978

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1384247, 2768494, 4152741, 6921235, 8305482, 9689729, 13842470, 19379458, 20763705, 29069187, 41527410, 48448645, 58138374, 96897290, 145345935, 290691870]

約数ペア:

[(1, 290691870), (2, 145345935), (3, 96897290), (5, 58138374), (6, 48448645), (7, 41527410), (10, 29069187), (14, 20763705), (15, 19379458), (21, 13842470), (30, 9689729), (35, 8305482), (42, 6921235), (70, 4152741), (105, 2768494), (210, 1384247)]