30416540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19751}}^1$

素因数の和:19778

約数の個数: 48

約数和(自身を含む): 79640064

約数和(自身を除く): 49223524

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19751, 39502, 79004, 98755, 138257, 197510, 217261, 276514, 395020, 434522, 553028, 691285, 869044, 1086305, 1382570, 1520827, 2172610, 2765140, 3041654, 4345220, 6083308, 7604135, 15208270, 30416540]

約数ペア:

[(1, 30416540), (2, 15208270), (4, 7604135), (5, 6083308), (7, 4345220), (10, 3041654), (11, 2765140), (14, 2172610), (20, 1520827), (22, 1382570), (28, 1086305), (35, 869044), (44, 691285), (55, 553028), (70, 434522), (77, 395020), (110, 276514), (140, 217261), (154, 197510), (220, 138257), (308, 98755), (385, 79004), (770, 39502), (1540, 19751)]