331489720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{285767}}^1$

素因数の和:285807

約数の個数: 32

約数和(自身を含む): 771573600

約数和(自身を除く): 440083880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 285767, 571534, 1143068, 1428835, 2286136, 2857670, 5715340, 8287243, 11430680, 16574486, 33148972, 41436215, 66297944, 82872430, 165744860, 331489720]

約数ペア:

[(1, 331489720), (2, 165744860), (4, 82872430), (5, 66297944), (8, 41436215), (10, 33148972), (20, 16574486), (29, 11430680), (40, 8287243), (58, 5715340), (116, 2857670), (145, 2286136), (232, 1428835), (290, 1143068), (580, 571534), (1160, 285767)]