438747990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239753}}^1$

素因数の和:239824

約数の個数: 32

約数和(自身を含む): 1070261856

約数和(自身を除く): 631513866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 239753, 479506, 719259, 1198765, 1438518, 2397530, 3596295, 7192590, 14624933, 29249866, 43874799, 73124665, 87749598, 146249330, 219373995, 438747990]

約数ペア:

[(1, 438747990), (2, 219373995), (3, 146249330), (5, 87749598), (6, 73124665), (10, 43874799), (15, 29249866), (30, 14624933), (61, 7192590), (122, 3596295), (183, 2397530), (305, 1438518), (366, 1198765), (610, 719259), (915, 479506), (1830, 239753)]