105980140

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{2207}}^1$

素因数の和:2244

約数の個数: 60

約数和(自身を含む): 259753536

約数和(自身を除く): 153773396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2207, 2401, 3430, 4414, 4802, 6860, 8828, 9604, 11035, 12005, 15449, 22070, 24010, 30898, 44140, 48020, 61796, 77245, 108143, 154490, 216286, 308980, 432572, 540715, 757001, 1081430, 1514002, 2162860, 3028004, 3785005, 5299007, 7570010, 10598014, 15140020, 21196028, 26495035, 52990070, 105980140]

約数ペア:

[(1, 105980140), (2, 52990070), (4, 26495035), (5, 21196028), (7, 15140020), (10, 10598014), (14, 7570010), (20, 5299007), (28, 3785005), (35, 3028004), (49, 2162860), (70, 1514002), (98, 1081430), (140, 757001), (196, 540715), (245, 432572), (343, 308980), (490, 216286), (686, 154490), (980, 108143), (1372, 77245), (1715, 61796), (2207, 48020), (2401, 44140), (3430, 30898), (4414, 24010), (4802, 22070), (6860, 15449), (8828, 12005), (9604, 11035)]