393990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 988416

約数和(自身を除く): 594426

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 571, 690, 1142, 1713, 2855, 3426, 5710, 8565, 13133, 17130, 26266, 39399, 65665, 78798, 131330, 196995, 393990]

約数ペア:

[(1, 393990), (2, 196995), (3, 131330), (5, 78798), (6, 65665), (10, 39399), (15, 26266), (23, 17130), (30, 13133), (46, 8565), (69, 5710), (115, 3426), (138, 2855), (230, 1713), (345, 1142), (571, 690)]