77982650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 164989440

約数和(自身を除く): 87006790

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 43, 46, 50, 83, 86, 95, 115, 166, 190, 215, 230, 415, 430, 437, 475, 575, 817, 830, 874, 950, 989, 1075, 1150, 1577, 1634, 1909, 1978, 2075, 2150, 2185, 3154, 3569, 3818, 4085, 4150, 4370, 4945, 7138, 7885, 8170, 9545, 9890, 10925, 15770, 17845, 18791, 19090, 20425, 21850, 24725, 35690, 36271, 37582, 39425, 40850, 47725, 49450, 67811, 72542, 78850, 82087, 89225, 93955, 95450, 135622, 164174, 178450, 181355, 187910, 339055, 362710, 410435, 469775, 678110, 820870, 906775, 939550, 1559653, 1695275, 1813550, 2052175, 3119306, 3390550, 4104350, 7798265, 15596530, 38991325, 77982650]

約数ペア:

[(1, 77982650), (2, 38991325), (5, 15596530), (10, 7798265), (19, 4104350), (23, 3390550), (25, 3119306), (38, 2052175), (43, 1813550), (46, 1695275), (50, 1559653), (83, 939550), (86, 906775), (95, 820870), (115, 678110), (166, 469775), (190, 410435), (215, 362710), (230, 339055), (415, 187910), (430, 181355), (437, 178450), (475, 164174), (575, 135622), (817, 95450), (830, 93955), (874, 89225), (950, 82087), (989, 78850), (1075, 72542), (1150, 67811), (1577, 49450), (1634, 47725), (1909, 40850), (1978, 39425), (2075, 37582), (2150, 36271), (2185, 35690), (3154, 24725), (3569, 21850), (3818, 20425), (4085, 19090), (4150, 18791), (4370, 17845), (4945, 15770), (7138, 10925), (7885, 9890), (8170, 9545)]