149193520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{266417}}^1$

素因数の和:266437

約数の個数: 40

約数和(自身を含む): 396429984

約数和(自身を除く): 247236464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 266417, 532834, 1065668, 1332085, 1864919, 2131336, 2664170, 3729838, 4262672, 5328340, 7459676, 9324595, 10656680, 14919352, 18649190, 21313360, 29838704, 37298380, 74596760, 149193520]

約数ペア:

[(1, 149193520), (2, 74596760), (4, 37298380), (5, 29838704), (7, 21313360), (8, 18649190), (10, 14919352), (14, 10656680), (16, 9324595), (20, 7459676), (28, 5328340), (35, 4262672), (40, 3729838), (56, 2664170), (70, 2131336), (80, 1864919), (112, 1332085), (140, 1065668), (280, 532834), (560, 266417)]