231439840

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8081}}^1$

素因数の和:8275

約数の個数: 48

約数和(自身を含む): 549899280

約数和(自身を除く): 318459440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5728, 7160, 8081, 14320, 16162, 28640, 32324, 40405, 64648, 80810, 129296, 161620, 258592, 323240, 646480, 1292960, 1446499, 2892998, 5785996, 7232495, 11571992, 14464990, 23143984, 28929980, 46287968, 57859960, 115719920, 231439840]

約数ペア:

[(1, 231439840), (2, 115719920), (4, 57859960), (5, 46287968), (8, 28929980), (10, 23143984), (16, 14464990), (20, 11571992), (32, 7232495), (40, 5785996), (80, 2892998), (160, 1446499), (179, 1292960), (358, 646480), (716, 323240), (895, 258592), (1432, 161620), (1790, 129296), (2864, 80810), (3580, 64648), (5728, 40405), (7160, 32324), (8081, 28640), (14320, 16162)]