39894190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 47197010

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 71, 115, 142, 161, 230, 322, 349, 355, 497, 698, 710, 805, 994, 1610, 1633, 1745, 2443, 2485, 3266, 3490, 4886, 4970, 8027, 8165, 11431, 12215, 16054, 16330, 22862, 24430, 24779, 40135, 49558, 56189, 57155, 80270, 112378, 114310, 123895, 173453, 247790, 280945, 346906, 561890, 569917, 867265, 1139834, 1734530, 2849585, 3989419, 5699170, 7978838, 19947095, 39894190]

約数ペア:

[(1, 39894190), (2, 19947095), (5, 7978838), (7, 5699170), (10, 3989419), (14, 2849585), (23, 1734530), (35, 1139834), (46, 867265), (70, 569917), (71, 561890), (115, 346906), (142, 280945), (161, 247790), (230, 173453), (322, 123895), (349, 114310), (355, 112378), (497, 80270), (698, 57155), (710, 56189), (805, 49558), (994, 40135), (1610, 24779), (1633, 24430), (1745, 22862), (2443, 16330), (2485, 16054), (3266, 12215), (3490, 11431), (4886, 8165), (4970, 8027)]