209301430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{457}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 410353344

約数和(自身を除く): 201051914

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 271, 338, 457, 542, 845, 914, 1355, 1690, 2285, 2710, 3523, 4570, 5941, 7046, 11882, 17615, 29705, 35230, 45799, 59410, 77233, 91598, 123847, 154466, 228995, 247694, 386165, 457990, 619235, 772330, 1238470, 1610011, 3220022, 8050055, 16100110, 20930143, 41860286, 104650715, 209301430]

約数ペア:

[(1, 209301430), (2, 104650715), (5, 41860286), (10, 20930143), (13, 16100110), (26, 8050055), (65, 3220022), (130, 1610011), (169, 1238470), (271, 772330), (338, 619235), (457, 457990), (542, 386165), (845, 247694), (914, 228995), (1355, 154466), (1690, 123847), (2285, 91598), (2710, 77233), (3523, 59410), (4570, 45799), (5941, 35230), (7046, 29705), (11882, 17615)]