189983440

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{13267}}^1$

素因数の和:13459

約数の個数: 40

約数和(自身を含む): 444212640

約数和(自身を除く): 254229200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 13267, 14320, 26534, 53068, 66335, 106136, 132670, 212272, 265340, 530680, 1061360, 2374793, 4749586, 9499172, 11873965, 18998344, 23747930, 37996688, 47495860, 94991720, 189983440]

約数ペア:

[(1, 189983440), (2, 94991720), (4, 47495860), (5, 37996688), (8, 23747930), (10, 18998344), (16, 11873965), (20, 9499172), (40, 4749586), (80, 2374793), (179, 1061360), (358, 530680), (716, 265340), (895, 212272), (1432, 132670), (1790, 106136), (2864, 66335), (3580, 53068), (7160, 26534), (13267, 14320)]