397347680

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{5657}}^1$

素因数の和:6111

約数の個数: 48

約数和(自身を含む): 941038560

約数和(自身を除く): 543690880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 3512, 4390, 5657, 7024, 8780, 11314, 14048, 17560, 22628, 28285, 35120, 45256, 56570, 70240, 90512, 113140, 181024, 226280, 452560, 905120, 2483423, 4966846, 9933692, 12417115, 19867384, 24834230, 39734768, 49668460, 79469536, 99336920, 198673840, 397347680]

約数ペア:

[(1, 397347680), (2, 198673840), (4, 99336920), (5, 79469536), (8, 49668460), (10, 39734768), (16, 24834230), (20, 19867384), (32, 12417115), (40, 9933692), (80, 4966846), (160, 2483423), (439, 905120), (878, 452560), (1756, 226280), (2195, 181024), (3512, 113140), (4390, 90512), (5657, 70240), (7024, 56570), (8780, 45256), (11314, 35120), (14048, 28285), (17560, 22628)]