1900291688

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{8263}}^1$

素因数の和:8394

約数の個数: 64

約数和(自身を含む): 4016304000

約数和(自身を除く): 2116012312

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 89, 136, 152, 178, 323, 356, 646, 712, 1292, 1513, 1691, 2584, 3026, 3382, 6052, 6764, 8263, 12104, 13528, 16526, 28747, 33052, 57494, 66104, 114988, 140471, 156997, 229976, 280942, 313994, 561884, 627988, 735407, 1123768, 1255976, 1470814, 2668949, 2941628, 5337898, 5883256, 10675796, 12501919, 13972733, 21351592, 25003838, 27945466, 50007676, 55890932, 100015352, 111781864, 237536461, 475072922, 950145844, 1900291688]

約数ペア:

[(1, 1900291688), (2, 950145844), (4, 475072922), (8, 237536461), (17, 111781864), (19, 100015352), (34, 55890932), (38, 50007676), (68, 27945466), (76, 25003838), (89, 21351592), (136, 13972733), (152, 12501919), (178, 10675796), (323, 5883256), (356, 5337898), (646, 2941628), (712, 2668949), (1292, 1470814), (1513, 1255976), (1691, 1123768), (2584, 735407), (3026, 627988), (3382, 561884), (6052, 313994), (6764, 280942), (8263, 229976), (12104, 156997), (13528, 140471), (16526, 114988), (28747, 66104), (33052, 57494)]