204441520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{7079}}^1$

素因数の和:7130

約数の個数: 60

約数和(自身を含む): 501731280

約数和(自身を除く): 297289760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7079, 7220, 14158, 14440, 28316, 28880, 35395, 56632, 70790, 113264, 134501, 141580, 269002, 283160, 538004, 566320, 672505, 1076008, 1345010, 2152016, 2555519, 2690020, 5111038, 5380040, 10222076, 10760080, 12777595, 20444152, 25555190, 40888304, 51110380, 102220760, 204441520]

約数ペア:

[(1, 204441520), (2, 102220760), (4, 51110380), (5, 40888304), (8, 25555190), (10, 20444152), (16, 12777595), (19, 10760080), (20, 10222076), (38, 5380040), (40, 5111038), (76, 2690020), (80, 2555519), (95, 2152016), (152, 1345010), (190, 1076008), (304, 672505), (361, 566320), (380, 538004), (722, 283160), (760, 269002), (1444, 141580), (1520, 134501), (1805, 113264), (2888, 70790), (3610, 56632), (5776, 35395), (7079, 28880), (7220, 28316), (14158, 14440)]