27499220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2207}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 66769920

約数和(自身を除く): 39270700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2207, 2492, 3115, 4414, 6230, 8828, 11035, 12460, 15449, 22070, 30898, 44140, 61796, 77245, 154490, 196423, 308980, 392846, 785692, 982115, 1374961, 1964230, 2749922, 3928460, 5499844, 6874805, 13749610, 27499220]

約数ペア:

[(1, 27499220), (2, 13749610), (4, 6874805), (5, 5499844), (7, 3928460), (10, 2749922), (14, 1964230), (20, 1374961), (28, 982115), (35, 785692), (70, 392846), (89, 308980), (140, 196423), (178, 154490), (356, 77245), (445, 61796), (623, 44140), (890, 30898), (1246, 22070), (1780, 15449), (2207, 12460), (2492, 11035), (3115, 8828), (4414, 6230)]