30948890

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{1289}}^1$

素因数の和:1324

約数の個数: 40

約数和(自身を含む): 65039220

約数和(自身を除く): 34090330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1289, 1715, 2401, 2578, 3430, 4802, 6445, 9023, 12005, 12890, 18046, 24010, 45115, 63161, 90230, 126322, 315805, 442127, 631610, 884254, 2210635, 3094889, 4421270, 6189778, 15474445, 30948890]

約数ペア:

[(1, 30948890), (2, 15474445), (5, 6189778), (7, 4421270), (10, 3094889), (14, 2210635), (35, 884254), (49, 631610), (70, 442127), (98, 315805), (245, 126322), (343, 90230), (490, 63161), (686, 45115), (1289, 24010), (1715, 18046), (2401, 12890), (2578, 12005), (3430, 9023), (4802, 6445)]