31195450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4399

約数の個数: 48

約数和(自身を含む): 68183136

約数和(自身を除く): 36987686

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 4363, 7150, 8726, 21815, 43630, 47993, 56719, 95986, 109075, 113438, 218150, 239965, 283595, 479930, 567190, 623909, 1199825, 1247818, 1417975, 2399650, 2835950, 3119545, 6239090, 15597725, 31195450]

約数ペア:

[(1, 31195450), (2, 15597725), (5, 6239090), (10, 3119545), (11, 2835950), (13, 2399650), (22, 1417975), (25, 1247818), (26, 1199825), (50, 623909), (55, 567190), (65, 479930), (110, 283595), (130, 239965), (143, 218150), (275, 113438), (286, 109075), (325, 95986), (550, 56719), (650, 47993), (715, 43630), (1430, 21815), (3575, 8726), (4363, 7150)]