313630660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{25171}}^1$

素因数の和:25276

約数の個数: 48

約数和(自身を含む): 761201280

約数和(自身を除く): 447570620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 25171, 50342, 100684, 125855, 176197, 251710, 352394, 503420, 704788, 880985, 1761970, 2240219, 3523940, 4480438, 8960876, 11201095, 15681533, 22402190, 31363066, 44804380, 62726132, 78407665, 156815330, 313630660]

約数ペア:

[(1, 313630660), (2, 156815330), (4, 78407665), (5, 62726132), (7, 44804380), (10, 31363066), (14, 22402190), (20, 15681533), (28, 11201095), (35, 8960876), (70, 4480438), (89, 3523940), (140, 2240219), (178, 1761970), (356, 880985), (445, 704788), (623, 503420), (890, 352394), (1246, 251710), (1780, 176197), (2492, 125855), (3115, 100684), (6230, 50342), (12460, 25171)]