16748690

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 37152000

約数和(自身を除く): 20403310

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 257, 266, 343, 490, 514, 665, 686, 931, 1285, 1330, 1715, 1799, 1862, 2570, 3430, 3598, 4655, 4883, 6517, 8995, 9310, 9766, 12593, 13034, 17990, 24415, 25186, 32585, 34181, 48830, 62965, 65170, 68362, 88151, 125930, 170905, 176302, 239267, 341810, 440755, 478534, 881510, 1196335, 1674869, 2392670, 3349738, 8374345, 16748690]

約数ペア:

[(1, 16748690), (2, 8374345), (5, 3349738), (7, 2392670), (10, 1674869), (14, 1196335), (19, 881510), (35, 478534), (38, 440755), (49, 341810), (70, 239267), (95, 176302), (98, 170905), (133, 125930), (190, 88151), (245, 68362), (257, 65170), (266, 62965), (343, 48830), (490, 34181), (514, 32585), (665, 25186), (686, 24415), (931, 17990), (1285, 13034), (1330, 12593), (1715, 9766), (1799, 9310), (1862, 8995), (2570, 6517), (3430, 4883), (3598, 4655)]