1755216980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{16249}}^1$

素因数の和:16760

約数の個数: 48

約数和(自身を含む): 4029480000

約数和(自身を除く): 2274263020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 491, 982, 1964, 2455, 4910, 5401, 9820, 10802, 16249, 21604, 27005, 32498, 54010, 64996, 81245, 108020, 162490, 178739, 324980, 357478, 714956, 893695, 1787390, 3574780, 7978259, 15956518, 31913036, 39891295, 79782590, 87760849, 159565180, 175521698, 351043396, 438804245, 877608490, 1755216980]

約数ペア:

[(1, 1755216980), (2, 877608490), (4, 438804245), (5, 351043396), (10, 175521698), (11, 159565180), (20, 87760849), (22, 79782590), (44, 39891295), (55, 31913036), (110, 15956518), (220, 7978259), (491, 3574780), (982, 1787390), (1964, 893695), (2455, 714956), (4910, 357478), (5401, 324980), (9820, 178739), (10802, 162490), (16249, 108020), (21604, 81245), (27005, 64996), (32498, 54010)]