17380790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 19555210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 449, 490, 553, 790, 898, 1106, 2245, 2765, 3143, 3871, 4490, 5530, 6286, 7742, 15715, 19355, 22001, 31430, 35471, 38710, 44002, 70942, 110005, 177355, 220010, 248297, 354710, 496594, 1241485, 1738079, 2482970, 3476158, 8690395, 17380790]

約数ペア:

[(1, 17380790), (2, 8690395), (5, 3476158), (7, 2482970), (10, 1738079), (14, 1241485), (35, 496594), (49, 354710), (70, 248297), (79, 220010), (98, 177355), (158, 110005), (245, 70942), (395, 44002), (449, 38710), (490, 35471), (553, 31430), (790, 22001), (898, 19355), (1106, 15715), (2245, 7742), (2765, 6286), (3143, 5530), (3871, 4490)]