220167844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 424312560

約数和(自身を除く): 204144716

約数列:

[1, 2, 4, 13, 26, 52, 89, 113, 178, 226, 356, 421, 452, 842, 1157, 1469, 1684, 2314, 2938, 4628, 5473, 5876, 10057, 10946, 20114, 21892, 37469, 40228, 47573, 74938, 95146, 130741, 149876, 190292, 261482, 487097, 522964, 618449, 974194, 1236898, 1948388, 2473796, 4233997, 8467994, 16935988, 55041961, 110083922, 220167844]

約数ペア:

[(1, 220167844), (2, 110083922), (4, 55041961), (13, 16935988), (26, 8467994), (52, 4233997), (89, 2473796), (113, 1948388), (178, 1236898), (226, 974194), (356, 618449), (421, 522964), (452, 487097), (842, 261482), (1157, 190292), (1469, 149876), (1684, 130741), (2314, 95146), (2938, 74938), (4628, 47573), (5473, 40228), (5876, 37469), (10057, 21892), (10946, 20114)]