7156720780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1549}}^1\times {\mathrm{21001}}^1$

素因数の和:22570

約数の個数: 48

約数和(自身を含む): 16406762400

約数和(自身を除く): 9250041620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1549, 3098, 6196, 7745, 15490, 17039, 21001, 30980, 34078, 42002, 68156, 84004, 85195, 105005, 170390, 210010, 231011, 340780, 420020, 462022, 924044, 1155055, 2310110, 4620220, 32530549, 65061098, 130122196, 162652745, 325305490, 357836039, 650610980, 715672078, 1431344156, 1789180195, 3578360390, 7156720780]

約数ペア:

[(1, 7156720780), (2, 3578360390), (4, 1789180195), (5, 1431344156), (10, 715672078), (11, 650610980), (20, 357836039), (22, 325305490), (44, 162652745), (55, 130122196), (110, 65061098), (220, 32530549), (1549, 4620220), (3098, 2310110), (6196, 1155055), (7745, 924044), (15490, 462022), (17039, 420020), (21001, 340780), (30980, 231011), (34078, 210010), (42002, 170390), (68156, 105005), (84004, 85195)]