9893240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 25790400

約数和(自身を除く): 15897160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 397, 445, 623, 712, 794, 890, 1246, 1588, 1780, 1985, 2492, 2779, 3115, 3176, 3560, 3970, 4984, 5558, 6230, 7940, 11116, 12460, 13895, 15880, 22232, 24920, 27790, 35333, 55580, 70666, 111160, 141332, 176665, 247331, 282664, 353330, 494662, 706660, 989324, 1236655, 1413320, 1978648, 2473310, 4946620, 9893240]

約数ペア:

[(1, 9893240), (2, 4946620), (4, 2473310), (5, 1978648), (7, 1413320), (8, 1236655), (10, 989324), (14, 706660), (20, 494662), (28, 353330), (35, 282664), (40, 247331), (56, 176665), (70, 141332), (89, 111160), (140, 70666), (178, 55580), (280, 35333), (356, 27790), (397, 24920), (445, 22232), (623, 15880), (712, 13895), (794, 12460), (890, 11116), (1246, 7940), (1588, 6230), (1780, 5558), (1985, 4984), (2492, 3970), (2779, 3560), (3115, 3176)]