158132620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{577}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 339087168

約数和(自身を除く): 180954548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 193, 284, 355, 386, 577, 710, 772, 965, 1154, 1420, 1930, 2308, 2885, 3860, 5770, 11540, 13703, 27406, 40967, 54812, 68515, 81934, 111361, 137030, 163868, 204835, 222722, 274060, 409670, 445444, 556805, 819340, 1113610, 2227220, 7906631, 15813262, 31626524, 39533155, 79066310, 158132620]

約数ペア:

[(1, 158132620), (2, 79066310), (4, 39533155), (5, 31626524), (10, 15813262), (20, 7906631), (71, 2227220), (142, 1113610), (193, 819340), (284, 556805), (355, 445444), (386, 409670), (577, 274060), (710, 222722), (772, 204835), (965, 163868), (1154, 137030), (1420, 111361), (1930, 81934), (2308, 68515), (2885, 54812), (3860, 40967), (5770, 27406), (11540, 13703)]