88909020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{493939}}^1$

素因数の和:493954

約数の個数: 36

約数和(自身を含む): 269691240

約数和(自身を除く): 180782220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 493939, 987878, 1481817, 1975756, 2469695, 2963634, 4445451, 4939390, 5927268, 7409085, 8890902, 9878780, 14818170, 17781804, 22227255, 29636340, 44454510, 88909020]

約数ペア:

[(1, 88909020), (2, 44454510), (3, 29636340), (4, 22227255), (5, 17781804), (6, 14818170), (9, 9878780), (10, 8890902), (12, 7409085), (15, 5927268), (18, 4939390), (20, 4445451), (30, 2963634), (36, 2469695), (45, 1975756), (60, 1481817), (90, 987878), (180, 493939)]