1777250020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{42457}}^1$

素因数の和:42509

約数の個数: 96

約数和(自身を含む): 4793338368

約数和(自身を除く): 3016088348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1495, 1610, 1820, 2093, 2990, 3220, 4186, 5980, 8372, 10465, 20930, 41860, 42457, 84914, 169828, 212285, 297199, 424570, 551941, 594398, 849140, 976511, 1103882, 1188796, 1485995, 1953022, 2207764, 2759705, 2971990, 3863587, 3906044, 4882555, 5519410, 5943980, 6835577, 7727174, 9765110, 11038820, 12694643, 13671154, 15454348, 19317935, 19530220, 25389286, 27342308, 34177885, 38635870, 50778572, 63473215, 68355770, 77271740, 88862501, 126946430, 136711540, 177725002, 253892860, 355450004, 444312505, 888625010, 1777250020]

約数ペア:

[(1, 1777250020), (2, 888625010), (4, 444312505), (5, 355450004), (7, 253892860), (10, 177725002), (13, 136711540), (14, 126946430), (20, 88862501), (23, 77271740), (26, 68355770), (28, 63473215), (35, 50778572), (46, 38635870), (52, 34177885), (65, 27342308), (70, 25389286), (91, 19530220), (92, 19317935), (115, 15454348), (130, 13671154), (140, 12694643), (161, 11038820), (182, 9765110), (230, 7727174), (260, 6835577), (299, 5943980), (322, 5519410), (364, 4882555), (455, 3906044), (460, 3863587), (598, 2971990), (644, 2759705), (805, 2207764), (910, 1953022), (1196, 1485995), (1495, 1188796), (1610, 1103882), (1820, 976511), (2093, 849140), (2990, 594398), (3220, 551941), (4186, 424570), (5980, 297199), (8372, 212285), (10465, 169828), (20930, 84914), (41860, 42457)]