211161400

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{11863}}^1$

素因数の和:11968

約数の個数: 48

約数和(自身を含む): 496508400

約数和(自身を除く): 285347000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 3560, 4450, 8900, 11863, 17800, 23726, 47452, 59315, 94904, 118630, 237260, 296575, 474520, 593150, 1055807, 1186300, 2111614, 2372600, 4223228, 5279035, 8446456, 10558070, 21116140, 26395175, 42232280, 52790350, 105580700, 211161400]

約数ペア:

[(1, 211161400), (2, 105580700), (4, 52790350), (5, 42232280), (8, 26395175), (10, 21116140), (20, 10558070), (25, 8446456), (40, 5279035), (50, 4223228), (89, 2372600), (100, 2111614), (178, 1186300), (200, 1055807), (356, 593150), (445, 474520), (712, 296575), (890, 237260), (1780, 118630), (2225, 94904), (3560, 59315), (4450, 47452), (8900, 23726), (11863, 17800)]