30783515

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 17233285

約数列:

[1, 5, 7, 17, 19, 35, 49, 85, 95, 119, 133, 245, 323, 389, 595, 665, 833, 931, 1615, 1945, 2261, 2723, 4165, 4655, 6613, 7391, 11305, 13615, 15827, 19061, 33065, 36955, 46291, 51737, 79135, 95305, 125647, 231455, 258685, 324037, 362159, 628235, 879529, 1620185, 1810795, 4397645, 6156703, 30783515]

約数ペア:

[(1, 30783515), (5, 6156703), (7, 4397645), (17, 1810795), (19, 1620185), (35, 879529), (49, 628235), (85, 362159), (95, 324037), (119, 258685), (133, 231455), (245, 125647), (323, 95305), (389, 79135), (595, 51737), (665, 46291), (833, 36955), (931, 33065), (1615, 19061), (1945, 15827), (2261, 13615), (2723, 11305), (4165, 7391), (4655, 6613)]