3439240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 9020160

約数和(自身を除く): 5580920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 173, 280, 284, 346, 355, 497, 568, 692, 710, 865, 994, 1211, 1384, 1420, 1730, 1988, 2422, 2485, 2840, 3460, 3976, 4844, 4970, 6055, 6920, 9688, 9940, 12110, 12283, 19880, 24220, 24566, 48440, 49132, 61415, 85981, 98264, 122830, 171962, 245660, 343924, 429905, 491320, 687848, 859810, 1719620, 3439240]

約数ペア:

[(1, 3439240), (2, 1719620), (4, 859810), (5, 687848), (7, 491320), (8, 429905), (10, 343924), (14, 245660), (20, 171962), (28, 122830), (35, 98264), (40, 85981), (56, 61415), (70, 49132), (71, 48440), (140, 24566), (142, 24220), (173, 19880), (280, 12283), (284, 12110), (346, 9940), (355, 9688), (497, 6920), (568, 6055), (692, 4970), (710, 4844), (865, 3976), (994, 3460), (1211, 2840), (1384, 2485), (1420, 2422), (1730, 1988)]