219846640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1543}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 554839488

約数和(自身を除く): 334992848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 685, 1040, 1096, 1370, 1543, 1781, 2192, 2740, 3086, 3562, 5480, 6172, 7124, 7715, 8905, 10960, 12344, 14248, 15430, 17810, 20059, 24688, 28496, 30860, 35620, 40118, 61720, 71240, 80236, 100295, 123440, 142480, 160472, 200590, 211391, 320944, 401180, 422782, 802360, 845564, 1056955, 1604720, 1691128, 2113910, 2748083, 3382256, 4227820, 5496166, 8455640, 10992332, 13740415, 16911280, 21984664, 27480830, 43969328, 54961660, 109923320, 219846640]

約数ペア:

[(1, 219846640), (2, 109923320), (4, 54961660), (5, 43969328), (8, 27480830), (10, 21984664), (13, 16911280), (16, 13740415), (20, 10992332), (26, 8455640), (40, 5496166), (52, 4227820), (65, 3382256), (80, 2748083), (104, 2113910), (130, 1691128), (137, 1604720), (208, 1056955), (260, 845564), (274, 802360), (520, 422782), (548, 401180), (685, 320944), (1040, 211391), (1096, 200590), (1370, 160472), (1543, 142480), (1781, 123440), (2192, 100295), (2740, 80236), (3086, 71240), (3562, 61720), (5480, 40118), (6172, 35620), (7124, 30860), (7715, 28496), (8905, 24688), (10960, 20059), (12344, 17810), (14248, 15430)]