212423900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163403}}^1$

素因数の和:163430

約数の個数: 36

約数和(自身を含む): 496421352

約数和(自身を除く): 283997452

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 163403, 326806, 653612, 817015, 1634030, 2124239, 3268060, 4085075, 4248478, 8170150, 8496956, 10621195, 16340300, 21242390, 42484780, 53105975, 106211950, 212423900]

約数ペア:

[(1, 212423900), (2, 106211950), (4, 53105975), (5, 42484780), (10, 21242390), (13, 16340300), (20, 10621195), (25, 8496956), (26, 8170150), (50, 4248478), (52, 4085075), (65, 3268060), (100, 2124239), (130, 1634030), (260, 817015), (325, 653612), (650, 326806), (1300, 163403)]