247988180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1185

約数の個数: 96

約数和(自身を含む): 611960832

約数和(自身を除く): 363972652

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 61, 68, 85, 110, 122, 170, 187, 220, 244, 305, 340, 374, 610, 671, 748, 935, 1037, 1087, 1220, 1342, 1870, 2074, 2174, 2684, 3355, 3740, 4148, 4348, 5185, 5435, 6710, 10370, 10870, 11407, 11957, 13420, 18479, 20740, 21740, 22814, 23914, 36958, 45628, 47828, 57035, 59785, 66307, 73916, 92395, 114070, 119570, 132614, 184790, 203269, 228140, 239140, 265228, 331535, 369580, 406538, 663070, 729377, 813076, 1016345, 1127219, 1326140, 1458754, 2032690, 2254438, 2917508, 3646885, 4065380, 4508876, 5636095, 7293770, 11272190, 12399409, 14587540, 22544380, 24798818, 49597636, 61997045, 123994090, 247988180]

約数ペア:

[(1, 247988180), (2, 123994090), (4, 61997045), (5, 49597636), (10, 24798818), (11, 22544380), (17, 14587540), (20, 12399409), (22, 11272190), (34, 7293770), (44, 5636095), (55, 4508876), (61, 4065380), (68, 3646885), (85, 2917508), (110, 2254438), (122, 2032690), (170, 1458754), (187, 1326140), (220, 1127219), (244, 1016345), (305, 813076), (340, 729377), (374, 663070), (610, 406538), (671, 369580), (748, 331535), (935, 265228), (1037, 239140), (1087, 228140), (1220, 203269), (1342, 184790), (1870, 132614), (2074, 119570), (2174, 114070), (2684, 92395), (3355, 73916), (3740, 66307), (4148, 59785), (4348, 57035), (5185, 47828), (5435, 45628), (6710, 36958), (10370, 23914), (10870, 22814), (11407, 21740), (11957, 20740), (13420, 18479)]