201918928

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 441936000

約数和(自身を除く): 240017072

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 89, 136, 152, 178, 272, 304, 323, 356, 439, 646, 712, 878, 1292, 1424, 1513, 1691, 1756, 2584, 3026, 3382, 3512, 5168, 6052, 6764, 7024, 7463, 8341, 12104, 13528, 14926, 16682, 24208, 27056, 28747, 29852, 33364, 39071, 57494, 59704, 66728, 78142, 114988, 119408, 133456, 141797, 156284, 229976, 283594, 312568, 459952, 567188, 625136, 664207, 742349, 1134376, 1328414, 1484698, 2268752, 2656828, 2969396, 5313656, 5938792, 10627312, 11877584, 12619933, 25239866, 50479732, 100959464, 201918928]

約数ペア:

[(1, 201918928), (2, 100959464), (4, 50479732), (8, 25239866), (16, 12619933), (17, 11877584), (19, 10627312), (34, 5938792), (38, 5313656), (68, 2969396), (76, 2656828), (89, 2268752), (136, 1484698), (152, 1328414), (178, 1134376), (272, 742349), (304, 664207), (323, 625136), (356, 567188), (439, 459952), (646, 312568), (712, 283594), (878, 229976), (1292, 156284), (1424, 141797), (1513, 133456), (1691, 119408), (1756, 114988), (2584, 78142), (3026, 66728), (3382, 59704), (3512, 57494), (5168, 39071), (6052, 33364), (6764, 29852), (7024, 28747), (7463, 27056), (8341, 24208), (12104, 16682), (13528, 14926)]