209465360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15493}}^1$

素因数の和:15532

約数の個数: 60

約数和(自身を含む): 527384772

約数和(自身を除く): 317919412

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 15493, 30986, 61972, 77465, 123944, 154930, 201409, 247888, 309860, 402818, 619720, 805636, 1007045, 1239440, 1611272, 2014090, 2618317, 3222544, 4028180, 5236634, 8056360, 10473268, 13091585, 16112720, 20946536, 26183170, 41893072, 52366340, 104732680, 209465360]

約数ペア:

[(1, 209465360), (2, 104732680), (4, 52366340), (5, 41893072), (8, 26183170), (10, 20946536), (13, 16112720), (16, 13091585), (20, 10473268), (26, 8056360), (40, 5236634), (52, 4028180), (65, 3222544), (80, 2618317), (104, 2014090), (130, 1611272), (169, 1239440), (208, 1007045), (260, 805636), (338, 619720), (520, 402818), (676, 309860), (845, 247888), (1040, 201409), (1352, 154930), (1690, 123944), (2704, 77465), (3380, 61972), (6760, 30986), (13520, 15493)]