890375030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 1691504640

約数和(自身を除く): 801129610

約数列:

[1, 2, 5, 10, 37, 74, 79, 83, 158, 166, 185, 367, 370, 395, 415, 734, 790, 830, 1835, 2923, 3071, 3670, 5846, 6142, 6557, 13114, 13579, 14615, 15355, 27158, 28993, 29230, 30461, 30710, 32785, 57986, 60922, 65570, 67895, 135790, 144965, 152305, 242609, 289930, 304610, 485218, 1072741, 1127057, 1213045, 2145482, 2254114, 2406419, 2426090, 4812838, 5363705, 5635285, 10727410, 11270570, 12032095, 24064190, 89037503, 178075006, 445187515, 890375030]

約数ペア:

[(1, 890375030), (2, 445187515), (5, 178075006), (10, 89037503), (37, 24064190), (74, 12032095), (79, 11270570), (83, 10727410), (158, 5635285), (166, 5363705), (185, 4812838), (367, 2426090), (370, 2406419), (395, 2254114), (415, 2145482), (734, 1213045), (790, 1127057), (830, 1072741), (1835, 485218), (2923, 304610), (3071, 289930), (3670, 242609), (5846, 152305), (6142, 144965), (6557, 135790), (13114, 67895), (13579, 65570), (14615, 60922), (15355, 57986), (27158, 32785), (28993, 30710), (29230, 30461)]