230848280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443939}}^1$

素因数の和:443963

約数の個数: 32

約数和(自身を含む): 559364400

約数和(自身を除く): 328516120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 443939, 887878, 1775756, 2219695, 3551512, 4439390, 5771207, 8878780, 11542414, 17757560, 23084828, 28856035, 46169656, 57712070, 115424140, 230848280]

約数ペア:

[(1, 230848280), (2, 115424140), (4, 57712070), (5, 46169656), (8, 28856035), (10, 23084828), (13, 17757560), (20, 11542414), (26, 8878780), (40, 5771207), (52, 4439390), (65, 3551512), (104, 2219695), (130, 1775756), (260, 887878), (520, 443939)]