82758620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1489}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 199254720

約数和(自身を除く): 116496100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1489, 1588, 1985, 2779, 2978, 3970, 5558, 5956, 7445, 7940, 10423, 11116, 13895, 14890, 20846, 27790, 29780, 41692, 52115, 55580, 104230, 208460, 591133, 1182266, 2364532, 2955665, 4137931, 5911330, 8275862, 11822660, 16551724, 20689655, 41379310, 82758620]

約数ペア:

[(1, 82758620), (2, 41379310), (4, 20689655), (5, 16551724), (7, 11822660), (10, 8275862), (14, 5911330), (20, 4137931), (28, 2955665), (35, 2364532), (70, 1182266), (140, 591133), (397, 208460), (794, 104230), (1489, 55580), (1588, 52115), (1985, 41692), (2779, 29780), (2978, 27790), (3970, 20846), (5558, 14890), (5956, 13895), (7445, 11116), (7940, 10423)]