30408059780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1562593}}^1$

素因数の和:1562748

約数の個数: 48

約数和(自身を含む): 73504421760

約数和(自身を除く): 43096361980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 1562593, 3125186, 6250372, 7812965, 10938151, 15625930, 21876302, 31251860, 43752604, 54690755, 109381510, 217200427, 218763020, 434400854, 868801708, 1086002135, 1520402989, 2172004270, 3040805978, 4344008540, 6081611956, 7602014945, 15204029890, 30408059780]

約数ペア:

[(1, 30408059780), (2, 15204029890), (4, 7602014945), (5, 6081611956), (7, 4344008540), (10, 3040805978), (14, 2172004270), (20, 1520402989), (28, 1086002135), (35, 868801708), (70, 434400854), (139, 218763020), (140, 217200427), (278, 109381510), (556, 54690755), (695, 43752604), (973, 31251860), (1390, 21876302), (1946, 15625930), (2780, 10938151), (3892, 7812965), (4865, 6250372), (9730, 3125186), (19460, 1562593)]