420641848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3407}}^1$

素因数の和:3508

約数の個数: 64

約数和(自身を含む): 912798720

約数和(自身を除く): 492156872

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 61, 88, 92, 122, 184, 244, 253, 488, 506, 671, 1012, 1342, 1403, 2024, 2684, 2806, 3407, 5368, 5612, 6814, 11224, 13628, 15433, 27256, 30866, 37477, 61732, 74954, 78361, 123464, 149908, 156722, 207827, 299816, 313444, 415654, 626888, 831308, 861971, 1662616, 1723942, 2286097, 3447884, 4572194, 4780021, 6895768, 9144388, 9560042, 18288776, 19120084, 38240168, 52580231, 105160462, 210320924, 420641848]

約数ペア:

[(1, 420641848), (2, 210320924), (4, 105160462), (8, 52580231), (11, 38240168), (22, 19120084), (23, 18288776), (44, 9560042), (46, 9144388), (61, 6895768), (88, 4780021), (92, 4572194), (122, 3447884), (184, 2286097), (244, 1723942), (253, 1662616), (488, 861971), (506, 831308), (671, 626888), (1012, 415654), (1342, 313444), (1403, 299816), (2024, 207827), (2684, 156722), (2806, 149908), (3407, 123464), (5368, 78361), (5612, 74954), (6814, 61732), (11224, 37477), (13628, 30866), (15433, 27256)]