30267790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 63891072

約数和(自身を除く): 33623282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 223, 245, 277, 446, 490, 554, 1115, 1385, 1561, 1939, 2230, 2770, 3122, 3878, 7805, 9695, 10927, 13573, 15610, 19390, 21854, 27146, 54635, 61771, 67865, 109270, 123542, 135730, 308855, 432397, 617710, 864794, 2161985, 3026779, 4323970, 6053558, 15133895, 30267790]

約数ペア:

[(1, 30267790), (2, 15133895), (5, 6053558), (7, 4323970), (10, 3026779), (14, 2161985), (35, 864794), (49, 617710), (70, 432397), (98, 308855), (223, 135730), (245, 123542), (277, 109270), (446, 67865), (490, 61771), (554, 54635), (1115, 27146), (1385, 21854), (1561, 19390), (1939, 15610), (2230, 13573), (2770, 10927), (3122, 9695), (3878, 7805)]