18928700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{3863}}^1$

素因数の和:3891

約数の個数: 54

約数和(自身を含む): 47793816

約数和(自身を除く): 28865116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 3863, 4900, 7726, 15452, 19315, 27041, 38630, 54082, 77260, 96575, 108164, 135205, 189287, 193150, 270410, 378574, 386300, 540820, 676025, 757148, 946435, 1352050, 1892870, 2704100, 3785740, 4732175, 9464350, 18928700]

約数ペア:

[(1, 18928700), (2, 9464350), (4, 4732175), (5, 3785740), (7, 2704100), (10, 1892870), (14, 1352050), (20, 946435), (25, 757148), (28, 676025), (35, 540820), (49, 386300), (50, 378574), (70, 270410), (98, 193150), (100, 189287), (140, 135205), (175, 108164), (196, 96575), (245, 77260), (350, 54082), (490, 38630), (700, 27041), (980, 19315), (1225, 15452), (2450, 7726), (3863, 4900)]