201800456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 446644800

約数和(自身を除く): 244844344

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 419, 421, 572, 838, 842, 1144, 1676, 1684, 3352, 3368, 4609, 4631, 5447, 5473, 9218, 9262, 10894, 10946, 18436, 18524, 21788, 21892, 36872, 37048, 43576, 43784, 59917, 60203, 119834, 120406, 176399, 239668, 240812, 352798, 479336, 481624, 705596, 1411192, 1940389, 2293187, 3880778, 4586374, 7761556, 9172748, 15523112, 18345496, 25225057, 50450114, 100900228, 201800456]

約数ペア:

[(1, 201800456), (2, 100900228), (4, 50450114), (8, 25225057), (11, 18345496), (13, 15523112), (22, 9172748), (26, 7761556), (44, 4586374), (52, 3880778), (88, 2293187), (104, 1940389), (143, 1411192), (286, 705596), (419, 481624), (421, 479336), (572, 352798), (838, 240812), (842, 239668), (1144, 176399), (1676, 120406), (1684, 119834), (3352, 60203), (3368, 59917), (4609, 43784), (4631, 43576), (5447, 37048), (5473, 36872), (9218, 21892), (9262, 21788), (10894, 18524), (10946, 18436)]