30031540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19501}}^1$

素因数の和:19528

約数の個数: 48

約数和(自身を含む): 78632064

約数和(自身を除く): 48600524

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, 19501, 39002, 78004, 97505, 136507, 195010, 214511, 273014, 390020, 429022, 546028, 682535, 858044, 1072555, 1365070, 1501577, 2145110, 2730140, 3003154, 4290220, 6006308, 7507885, 15015770, 30031540]

約数ペア:

[(1, 30031540), (2, 15015770), (4, 7507885), (5, 6006308), (7, 4290220), (10, 3003154), (11, 2730140), (14, 2145110), (20, 1501577), (22, 1365070), (28, 1072555), (35, 858044), (44, 682535), (55, 546028), (70, 429022), (77, 390020), (110, 273014), (140, 214511), (154, 195010), (220, 136507), (308, 97505), (385, 78004), (770, 39002), (1540, 19501)]