749037575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 1117535616

約数和(自身を除く): 368498041

約数列:

[1, 5, 11, 13, 25, 55, 65, 71, 143, 169, 227, 275, 325, 355, 715, 781, 845, 923, 1135, 1775, 1859, 2497, 2951, 3575, 3905, 4225, 4615, 5675, 9295, 10153, 11999, 12485, 14755, 16117, 19525, 23075, 32461, 38363, 46475, 50765, 59995, 62425, 73775, 80585, 131989, 162305, 177287, 191815, 209521, 253825, 299975, 402925, 421993, 659945, 811525, 886435, 959075, 1047605, 2109965, 2304731, 2723773, 3299725, 4432175, 5238025, 10549825, 11523655, 13618865, 29961503, 57618275, 68094325, 149807515, 749037575]

約数ペア:

[(1, 749037575), (5, 149807515), (11, 68094325), (13, 57618275), (25, 29961503), (55, 13618865), (65, 11523655), (71, 10549825), (143, 5238025), (169, 4432175), (227, 3299725), (275, 2723773), (325, 2304731), (355, 2109965), (715, 1047605), (781, 959075), (845, 886435), (923, 811525), (1135, 659945), (1775, 421993), (1859, 402925), (2497, 299975), (2951, 253825), (3575, 209521), (3905, 191815), (4225, 177287), (4615, 162305), (5675, 131989), (9295, 80585), (10153, 73775), (11999, 62425), (12485, 59995), (14755, 50765), (16117, 46475), (19525, 38363), (23075, 32461)]