1272187400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{578267}}^1$

素因数の和:578294

約数の個数: 48

約数和(自身を含む): 3226735440

約数和(自身を除く): 1954548040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 578267, 1156534, 2313068, 2891335, 4626136, 5782670, 6360937, 11565340, 12721874, 14456675, 23130680, 25443748, 28913350, 31804685, 50887496, 57826700, 63609370, 115653400, 127218740, 159023425, 254437480, 318046850, 636093700, 1272187400]

約数ペア:

[(1, 1272187400), (2, 636093700), (4, 318046850), (5, 254437480), (8, 159023425), (10, 127218740), (11, 115653400), (20, 63609370), (22, 57826700), (25, 50887496), (40, 31804685), (44, 28913350), (50, 25443748), (55, 23130680), (88, 14456675), (100, 12721874), (110, 11565340), (200, 6360937), (220, 5782670), (275, 4626136), (440, 2891335), (550, 2313068), (1100, 1156534), (2200, 578267)]