90805000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 251919360

約数和(自身を除く): 161114360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 125, 127, 130, 143, 200, 220, 250, 254, 260, 275, 286, 325, 440, 500, 508, 520, 550, 572, 625, 635, 650, 715, 1000, 1016, 1100, 1144, 1250, 1270, 1300, 1375, 1397, 1430, 1625, 1651, 2200, 2500, 2540, 2600, 2750, 2794, 2860, 3175, 3250, 3302, 3575, 5000, 5080, 5500, 5588, 5720, 6350, 6500, 6604, 6875, 6985, 7150, 8125, 8255, 11000, 11176, 12700, 13000, 13208, 13750, 13970, 14300, 15875, 16250, 16510, 17875, 18161, 25400, 27500, 27940, 28600, 31750, 32500, 33020, 34925, 35750, 36322, 41275, 55000, 55880, 63500, 65000, 66040, 69850, 71500, 72644, 79375, 82550, 89375, 90805, 127000, 139700, 143000, 145288, 158750, 165100, 174625, 178750, 181610, 206375, 279400, 317500, 330200, 349250, 357500, 363220, 412750, 454025, 635000, 698500, 715000, 726440, 825500, 873125, 908050, 1031875, 1397000, 1651000, 1746250, 1816100, 2063750, 2270125, 3492500, 3632200, 4127500, 4540250, 6985000, 8255000, 9080500, 11350625, 18161000, 22701250, 45402500, 90805000]

約数ペア:

[(1, 90805000), (2, 45402500), (4, 22701250), (5, 18161000), (8, 11350625), (10, 9080500), (11, 8255000), (13, 6985000), (20, 4540250), (22, 4127500), (25, 3632200), (26, 3492500), (40, 2270125), (44, 2063750), (50, 1816100), (52, 1746250), (55, 1651000), (65, 1397000), (88, 1031875), (100, 908050), (104, 873125), (110, 825500), (125, 726440), (127, 715000), (130, 698500), (143, 635000), (200, 454025), (220, 412750), (250, 363220), (254, 357500), (260, 349250), (275, 330200), (286, 317500), (325, 279400), (440, 206375), (500, 181610), (508, 178750), (520, 174625), (550, 165100), (572, 158750), (625, 145288), (635, 143000), (650, 139700), (715, 127000), (1000, 90805), (1016, 89375), (1100, 82550), (1144, 79375), (1250, 72644), (1270, 71500), (1300, 69850), (1375, 66040), (1397, 65000), (1430, 63500), (1625, 55880), (1651, 55000), (2200, 41275), (2500, 36322), (2540, 35750), (2600, 34925), (2750, 33020), (2794, 32500), (2860, 31750), (3175, 28600), (3250, 27940), (3302, 27500), (3575, 25400), (5000, 18161), (5080, 17875), (5500, 16510), (5588, 16250), (5720, 15875), (6350, 14300), (6500, 13970), (6604, 13750), (6875, 13208), (6985, 13000), (7150, 12700), (8125, 11176), (8255, 11000)]