90749260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28183}}^1$

素因数の和:28222

約数の個数: 48

約数和(自身を含む): 227275776

約数和(自身を除く): 136526516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 28183, 56366, 112732, 140915, 197281, 281830, 394562, 563660, 648209, 789124, 986405, 1296418, 1972810, 2592836, 3241045, 3945620, 4537463, 6482090, 9074926, 12964180, 18149852, 22687315, 45374630, 90749260]

約数ペア:

[(1, 90749260), (2, 45374630), (4, 22687315), (5, 18149852), (7, 12964180), (10, 9074926), (14, 6482090), (20, 4537463), (23, 3945620), (28, 3241045), (35, 2592836), (46, 1972810), (70, 1296418), (92, 986405), (115, 789124), (140, 648209), (161, 563660), (230, 394562), (322, 281830), (460, 197281), (644, 140915), (805, 112732), (1610, 56366), (3220, 28183)]