1851985380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{629927}}^1$

素因数の和:629953

約数の個数: 72

約数和(自身を含む): 6032190528

約数和(自身を除く): 4180205148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 629927, 1259854, 1889781, 2519708, 3149635, 3779562, 4409489, 6299270, 7559124, 8818978, 9448905, 12598540, 13228467, 17637956, 18897810, 22047445, 26456934, 30866423, 37795620, 44094890, 52913868, 61732846, 66142335, 88189780, 92599269, 123465692, 132284670, 154332115, 185198538, 264569340, 308664230, 370397076, 462996345, 617328460, 925992690, 1851985380]

約数ペア:

[(1, 1851985380), (2, 925992690), (3, 617328460), (4, 462996345), (5, 370397076), (6, 308664230), (7, 264569340), (10, 185198538), (12, 154332115), (14, 132284670), (15, 123465692), (20, 92599269), (21, 88189780), (28, 66142335), (30, 61732846), (35, 52913868), (42, 44094890), (49, 37795620), (60, 30866423), (70, 26456934), (84, 22047445), (98, 18897810), (105, 17637956), (140, 13228467), (147, 12598540), (196, 9448905), (210, 8818978), (245, 7559124), (294, 6299270), (420, 4409489), (490, 3779562), (588, 3149635), (735, 2519708), (980, 1889781), (1470, 1259854), (2940, 629927)]