339988820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{727}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 727708800

約数和(自身を除く): 387719980

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 349, 670, 698, 727, 1340, 1396, 1454, 1745, 2908, 3490, 3635, 6980, 7270, 14540, 23383, 46766, 48709, 93532, 97418, 116915, 194836, 233830, 243545, 253723, 467660, 487090, 507446, 974180, 1014892, 1268615, 2537230, 5074460, 16999441, 33998882, 67997764, 84997205, 169994410, 339988820]

約数ペア:

[(1, 339988820), (2, 169994410), (4, 84997205), (5, 67997764), (10, 33998882), (20, 16999441), (67, 5074460), (134, 2537230), (268, 1268615), (335, 1014892), (349, 974180), (670, 507446), (698, 487090), (727, 467660), (1340, 253723), (1396, 243545), (1454, 233830), (1745, 194836), (2908, 116915), (3490, 97418), (3635, 93532), (6980, 48709), (7270, 46766), (14540, 23383)]